1. Department of Clinical Laboratory Center, The Second Hospital of Lanzhou University, Lanzhou, Gansu, 730000, China
2. Evidence-Based Medicine Centre, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, 730000, China
3. Department of Clinical Laboratory Center, Gansu Provincial Maternity and Child-care Hospital (Gansu Province Central Hospital), Lanzhou, Gansu, 730000, China
4. Department of Medical Laboratory Animal Science, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, 730000, China
5. Department of medicine, Kingsbrook Jewish Medical Center, 585 Schenectady ave, Brooklyn, NY 11203, USA
6. Department of Pediatric Nephrology, The Second Hospital of Lanzhou University, Lanzhou, Gansu, 730000, China