[
  {
    "fold": 0,
    "train_donors": [
      "BC11",
      "BC13",
      "BC76",
      "BC78"
    ],
    "held_donors": [
      "BC52",
      "BC58",
      "BC9"
    ],
    "train_ids": [
      "GSM1140498",
      "GSM1140497",
      "GSM1140496",
      "GSM1140495",
      "GSM1140502",
      "GSM1140501",
      "GSM1140500",
      "GSM1140499",
      "GSM1140540",
      "GSM1140521",
      "GSM1140517",
      "GSM1140523",
      "GSM1140490",
      "GSM1140492",
      "GSM1140538",
      "GSM1140532"
    ],
    "held_ids": [
      "GSM1140506",
      "GSM1140505",
      "GSM1140504",
      "GSM1140503",
      "GSM1140508",
      "GSM1140536",
      "GSM1140513",
      "GSM1140514",
      "GSM1140446",
      "GSM1140444",
      "GSM1140445",
      "GSM1140443"
    ]
  },
  {
    "fold": 1,
    "train_donors": [
      "BC11",
      "BC52",
      "BC58",
      "BC78",
      "BC9"
    ],
    "held_donors": [
      "BC13",
      "BC76"
    ],
    "train_ids": [
      "GSM1140498",
      "GSM1140497",
      "GSM1140496",
      "GSM1140495",
      "GSM1140506",
      "GSM1140505",
      "GSM1140504",
      "GSM1140503",
      "GSM1140508",
      "GSM1140536",
      "GSM1140513",
      "GSM1140514",
      "GSM1140490",
      "GSM1140492",
      "GSM1140538",
      "GSM1140532",
      "GSM1140446",
      "GSM1140444",
      "GSM1140445",
      "GSM1140443"
    ],
    "held_ids": [
      "GSM1140502",
      "GSM1140501",
      "GSM1140500",
      "GSM1140499",
      "GSM1140540",
      "GSM1140521",
      "GSM1140517",
      "GSM1140523"
    ]
  },
  {
    "fold": 2,
    "train_donors": [
      "BC13",
      "BC52",
      "BC58",
      "BC76",
      "BC9"
    ],
    "held_donors": [
      "BC11",
      "BC78"
    ],
    "train_ids": [
      "GSM1140502",
      "GSM1140501",
      "GSM1140500",
      "GSM1140499",
      "GSM1140506",
      "GSM1140505",
      "GSM1140504",
      "GSM1140503",
      "GSM1140508",
      "GSM1140536",
      "GSM1140513",
      "GSM1140514",
      "GSM1140540",
      "GSM1140521",
      "GSM1140517",
      "GSM1140523",
      "GSM1140446",
      "GSM1140444",
      "GSM1140445",
      "GSM1140443"
    ],
    "held_ids": [
      "GSM1140498",
      "GSM1140497",
      "GSM1140496",
      "GSM1140495",
      "GSM1140490",
      "GSM1140492",
      "GSM1140538",
      "GSM1140532"
    ]
  }
]