1. Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Aomori, Japan
2. Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
3. Renal Research Laboratory, Fondazione D’Amico per la Ricerca sulle Malattie Renali & Fondazione IRCCS Ca’, Granda Ospedale Maggiore Policlinico, Milano, Italy
4. Department of Pathology, The Jikei Medical University, Tokyo, Japan
5. Department of School Health Science, Hirosaki University, Hirosaki, Aomori Japan