[1] George Mason Univ, Sch Nursing, Coll Publ Hlth, 4400 Univ Blvd MS3C4, Fairfax, VA USA
[2] Natl Univ Singapore, Alice Lee Ctr Nursing Studies, Singapore, Singapore
[3] Changi Gen Hosp, Singapore, Singapore
[4] Thammasat Univ, Fac Dentistry, Bangkok, Thailand
[5] Univ Coll Cork, Comp Sci & Informat Technol, Cork, Ireland
[6] Natl Univ Singapore, Informat Syst & Analyt, Singapore, Singapore