1. Department of Surgery, Sendai City Medical Center, Sendai, Miyagi 983-0824, Japan
2. Department of Public Health, Fukushima Medical University School of Medicine, Fukushima, Fukushima 960-1247, Japan
3. Department of Breast Surgery, Jyoban Hospital of Tokiwa Foundation, Iwaki, Fukushima 972-8322, Japan
4. Medical Governance Research Institute, Shinagawa, Tokyo 108-0074, Japan
5. Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Risaralda 660003, Colombia
6. National Public Health Laboratory, Kathmandu 44600, Nepal