“…19,20,22,27,29-32,34,35,37 Thirteen of the studies deployed an experienced surgeon as coach either on his or her own or in combination with a nonsurgeon. 9,[17][18][19][24][25][26]29,[32][33][34]36,37 Only 4 studies conducted a follow-up after coaching intervention. 6,25,27,32 Overall, coaching was considered to be effective in 15 of the 23 studies.…”