PTBP2 and polycystic ovary syndrome: Of the 40 neighboring genes underlying the BMI-PCOS association, only 19 (ADCY3, AMPD2, BEND5, ETV5, FOXG1, FTO, GPRC5B, HNF4G, LMX1B, MTCH2, NPC1, PDK4, PTBP2, RASA2, SKOR1, STK33, TLR4, UHRF1BP1, ZZZ3) were exclusive/non-shared.