[1] High St Med Ctr, Gen Practice, Dungarvan, Ireland
[2] Univ British Columbia, Cardiol, Vancouver, BC, Canada
[3] Avalon Univ, Internal Med Mt Vista Med Ctr, Sch Med, Mesa, AZ USA
[4] Virginia Commonwealth Univ, Pulm Dis & Crit Care Med, Richmond, VA USA
[5] Zawia Univ, Pediat, Zawia, Libya