Global distribution of surgeons, anaesthesiologists, and obstetricians. (27th April 2015) - Holmer, Hampus; Lantz, Adam; Kunjumen, Teena; Finlayson, Samuel; Hoyler, Marguerite; Siyam, Amani; Montenegro, Hernan; Kelley, Edward T; Campbell, James; Cherian, Meena N; Hagander, Lars