1. Department of Physical Medicine and Rehabilitation, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
2. Faculty of Medicine, Airlangga University, Surabaya, Indonesia
3. Department of Rehabilitation Medicine, Hiroshima University Hospital, Hiroshima, Japan
4. Department of Epidemiology, Biostatistics, Population Studies, and Health Promotion, Faculty of Public Health, Airlangga University, Surabaya, Indonesia