[1] Medical Information Center, Kyushu University Hospital, 3-1-1 Maidashi, Fukuoka, Japan
[2] Institute for Asian and Oceanian Studies, Kyushu University, Fukuoka, Japan
[3] Department of Health Sciences, Kyushu University, Fukuoka, Japan
[4] Grameen Communications, Dhaka, Bangladesh
[5] Holy Family Red Crescent Medical College & Hospital, Dhaka, Bangladesh
[6] Department of Advanced Information Technology, Kyushu University, Fukuoka, Japan