diff --git a/src/ptbench/data/shenzhen/default.json b/src/ptbench/data/shenzhen/default.json
new file mode 100644
index 0000000000000000000000000000000000000000..9963f592ce3b71cccf798e2161f1435f1f268064
--- /dev/null
+++ b/src/ptbench/data/shenzhen/default.json
@@ -0,0 +1,670 @@
+{
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+  ]
+}
diff --git a/src/ptbench/data/shenzhen/default.json.bz2 b/src/ptbench/data/shenzhen/default.json.bz2
deleted file mode 100644
index 1b883242513c79f0c43344ff1926d48fefdfe1ef..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/default.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_0.json b/src/ptbench/data/shenzhen/fold_0.json
new file mode 100644
index 0000000000000000000000000000000000000000..027e1b5fecbe9722c2e497250cf7df1bcc296f90
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_0.json
@@ -0,0 +1,670 @@
+{
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+    ["CXR_png/CHNCXR_0591_1.png", 1],
+    ["CXR_png/CHNCXR_0577_1.png", 1],
+    ["CXR_png/CHNCXR_0410_1.png", 1]
+  ]
+}
diff --git a/src/ptbench/data/shenzhen/fold_0.json.bz2 b/src/ptbench/data/shenzhen/fold_0.json.bz2
deleted file mode 100644
index 0e086b967262fd33a93e00593c88b8825e7c0587..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_0.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_1.json b/src/ptbench/data/shenzhen/fold_1.json
new file mode 100644
index 0000000000000000000000000000000000000000..31a5ae9de4b7b991b24ea4947daf53483e2ba7d3
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_1.json
@@ -0,0 +1,670 @@
+{
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+    ["CXR_png/CHNCXR_0536_1.png", 1],
+    ["CXR_png/CHNCXR_0431_1.png", 1],
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+    ["CXR_png/CHNCXR_0363_1.png", 1],
+    ["CXR_png/CHNCXR_0532_1.png", 1]
+  ]
+}
diff --git a/src/ptbench/data/shenzhen/fold_1.json.bz2 b/src/ptbench/data/shenzhen/fold_1.json.bz2
deleted file mode 100644
index 886d8ff602ad5e7266b2127e3e430c5917717076..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_1.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_2.json b/src/ptbench/data/shenzhen/fold_2.json
new file mode 100644
index 0000000000000000000000000000000000000000..2c76d81e38a31a26930311354fef4c55347977f1
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_2.json
@@ -0,0 +1,670 @@
+{
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+    ["CXR_png/CHNCXR_0604_1.png", 1],
+    ["CXR_png/CHNCXR_0514_1.png", 1]
+  ],
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+    ["CXR_png/CHNCXR_0588_1.png", 1],
+    ["CXR_png/CHNCXR_0583_1.png", 1]
+  ]
+}
diff --git a/src/ptbench/data/shenzhen/fold_2.json.bz2 b/src/ptbench/data/shenzhen/fold_2.json.bz2
deleted file mode 100644
index 3c0fd3caed8e2f24b1dc56b354ddbac81c0c8d09..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_2.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_3.json b/src/ptbench/data/shenzhen/fold_3.json
new file mode 100644
index 0000000000000000000000000000000000000000..ad060e10824c3261b209881921ce1d7d3cf97922
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_3.json
@@ -0,0 +1,670 @@
+{
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+  ]
+}
diff --git a/src/ptbench/data/shenzhen/fold_3.json.bz2 b/src/ptbench/data/shenzhen/fold_3.json.bz2
deleted file mode 100644
index 28cf6a017fcb1d317ff647c2d91b93adb341903a..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_3.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_4.json b/src/ptbench/data/shenzhen/fold_4.json
new file mode 100644
index 0000000000000000000000000000000000000000..2b249974d76c8b5b75cf470449e1ae81e701f519
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_4.json
@@ -0,0 +1,670 @@
+{
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+    ["CXR_png/CHNCXR_0628_1.png", 1]
+  ]
+}
diff --git a/src/ptbench/data/shenzhen/fold_4.json.bz2 b/src/ptbench/data/shenzhen/fold_4.json.bz2
deleted file mode 100644
index 14fa662e8ffcdb9fd634f83530a8f8f91953aea8..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_4.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_5.json b/src/ptbench/data/shenzhen/fold_5.json
new file mode 100644
index 0000000000000000000000000000000000000000..2bb6118234e8e31f2f1ab7beb3662b068d348ba4
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_5.json
@@ -0,0 +1,670 @@
+{
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+  ]
+}
diff --git a/src/ptbench/data/shenzhen/fold_5.json.bz2 b/src/ptbench/data/shenzhen/fold_5.json.bz2
deleted file mode 100644
index 3f899aeabc6e9ecf7d1d7fd4febe7e2e82f5282c..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_5.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_6.json b/src/ptbench/data/shenzhen/fold_6.json
new file mode 100644
index 0000000000000000000000000000000000000000..8d30ee495fe36aa96e3cad8ca74d63d088e0e263
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_6.json
@@ -0,0 +1,670 @@
+{
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+}
diff --git a/src/ptbench/data/shenzhen/fold_6.json.bz2 b/src/ptbench/data/shenzhen/fold_6.json.bz2
deleted file mode 100644
index aad0c993e40c5193e9c1c7d15257f8420bea69a0..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_6.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_7.json b/src/ptbench/data/shenzhen/fold_7.json
new file mode 100644
index 0000000000000000000000000000000000000000..d01a23f48e4ff493b3f71cbbd1278c9b6f5855f1
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_7.json
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+}
diff --git a/src/ptbench/data/shenzhen/fold_7.json.bz2 b/src/ptbench/data/shenzhen/fold_7.json.bz2
deleted file mode 100644
index c254bada7b3f1280fa5c88128a695ef25d7908ae..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_7.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_8.json b/src/ptbench/data/shenzhen/fold_8.json
new file mode 100644
index 0000000000000000000000000000000000000000..3fa6ec465e3427c5e196dc1739f0a52888c943ce
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_8.json
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deleted file mode 100644
index f3e23c7d97a5f9b1a8efec78281b2419e8a3c5d5..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_8.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/shenzhen/fold_9.json b/src/ptbench/data/shenzhen/fold_9.json
new file mode 100644
index 0000000000000000000000000000000000000000..5390f08fc02c2871a1b42dadc4c31f78f226c446
--- /dev/null
+++ b/src/ptbench/data/shenzhen/fold_9.json
@@ -0,0 +1,670 @@
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diff --git a/src/ptbench/data/shenzhen/fold_9.json.bz2 b/src/ptbench/data/shenzhen/fold_9.json.bz2
deleted file mode 100644
index fbcd17f7c1b3dddd8b1cb36efdb21fdf7471015b..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/shenzhen/fold_9.json.bz2 and /dev/null differ