It has worked in 13 countries between January 2007 and December 2012 . Approximately 1.7 % of the industry 's employees are temporary or contract workers . Contractors fill in gaps in almost every field -- from nurses to doctors to med techs .
David Kwiatkowski worked in 13 hospitals between January 2007 and July 2012 . Approximately 1.7 % of the industry 's employees are temporary or contract workers . Contractors fill in gaps in almost every field -- from nurses to physicians to med techs .