Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
Correspondence to Guanqing Wu MD, PhD, Section of Nephrology, Department of Internal Medicine, Yale University School of Medicine, 2073 LMP, PO Box 208029, New Haven, CT 06520-8029, USA. Tel: +1 203 737 2941; fax: +1 203 785 7068; e-mail: [email protected]