All articles in this issue include authors from universities in Indonesia (Poltekkes Kemenkes Surabaya, Surabaya, Indonesia) and three Universities from overseas (School of Health Sciences, Nanyang Polytechnic, Singapore City, Singapore; Department of Construction Management, Faculty of Technology Management and Business, Universiti Tun Hussein Onn Malaysia, Johor, Malaysia; Department of Biomedical Sciences, Faculty of Medicine and Health Sciences Universiti Putra Malaysia, UPM Serdang Selangor, Malaysia)