[1] Arizona State Univ, Family Med, Tempe, AZ USA
[2] Lakeside Med Ctr, Family Med, Belle Glade, FL USA
[3] Royal Coll Phys Ireland, Pediat & Child Hlth, iheed, RCPI, Dublin, Ireland
[4] Markham Stouffville Hosp, Postanaesthetic Care Unit, Markham, ON, Canada
[5] Lukes Hosp, Internal Med, Chesterfield, MO USA
[6] Prostate Canc Ctr, Urol, Calgary, ON, Canada
[7] Seneca Coll, Sch Biological Sciences & Appl Chem, Toronto, ON, Canada
[8] Communicable Dis Control, Alberta Hlth Services, Calgary, AL USA
[9] Emory Univ, Cardiology, Atlanta, GA USA
[10] Igbined Univ, Internal Med, Benin, Nigeria
[11] Kent & Canterbury Hosp, Med, Canterbury, England
[12] Madonna Univ, Family Med, Elele, Nigeria