H. Al-Sinawi, M. Al-Alawi, R. Al-Lawati, A. Al-Harrasi, M. Al-Shafaee, and S. Al-Adawi, “Emerging Burden of Frail Young and Elderly Persons in Oman : For whom the bell tolls?”, Sultan Qaboos Univ Med J, vol. 12, no. 2, pp. 169–176, May 2012.