1. Department of Clinical and Laboratory Medicine, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan;
2. Infection Control Office, Yamanashi University Hospital, Chuo, Yamanashi, Japan;
3. Laboratory for Lung Development, RIKEN Center for Developmental Biology, Kobe, Hyogo, Japan;
4. Department of Anatomy, The Jikei University School of Medicine, Tokyo, Japan;
5. Advanced Biotechnology Center, University of Yamanashi, Chuo, Yamanashi, Japan;
6. Division of Vascular Biology, Department of Physiology and Cell Biology, Kobe University Graduate School of Medicine, Kofu, Yamanashi, Japan; and
7. Division of Molecular Cell Biology, Core Research Facilities for Basic Science, Research Center for Medical Sciences, The Jikei University School of Medicine, Tokyo, Japan