1. Department of Pharmacy; Peking University Third Hospital; Beijing China
2. Department of Epidemiology, Richard M. Fairbanks School of Public Health; Indiana University; Indianapolis Indiana
3. Center for Pharmacoepidemiology, Richard M. Fairbanks School of Public Health; Indiana University; Indianapolis Indiana
4. Department of Endocrinology and Metabolism, The First Affiliated Hospital of Xi'an Jiaotong University; Xi'an Jiaotong University Health Science Center; Xi'an China
5. Department of Pharmacy, Beijing Friendship Hospital; Capital Medical University; Beijing China
6. Department of Pharmacy Administration and Clinical Pharmacy; Peking University Health Science Center; Beijing China
7. Division of Nephrology, Sidney Kimmel Medical College; Thomas Jefferson University; Philadelphia Pennsylvania