Yakar, Burkay Yalçın, Erol Yalcin, Hulya, Department of Clinical Biochemistry, Tepecik Education and Research Hospital, Izmir. Yalçın, Mehmet Muhittin, Gazi University Faculty of Medicine Department of Endocrinology and Metabolism Yalcin, Yavuz Yamini, Ashraf Aminorroaya Yan, Jie Yan, Renqing Yan, Shengkai Yan, Xueqin Yan, Yimin Yanachkova, Vesselina Yanar, Hakan Yandakçı, Kemal Yang, Chunhui Yang, Dongzi Yang, Fan Yang, Fang Yang, Gangyi Yang, Hui Yang, Jingjing Yang, Li Yang, Lishun Yang, Miao, Department of Endocrinology, Zhongnan Hospital, Wuhan University , Wuhan, China 430071 Yang, Mingqing