All authors participated in multiple meetings regarding the design of the educational program and the program evaluation. KM was the instructor for all teaching sessions in this program evaluation, with supervision and approval of materials by GD. All authors participated in teaching, primarily MB and ML, prior to this specific program evaluation. LK coordinated educational sessions and analyzed the data with KM. SM, a Guatemala native, assisted with translation and creation of educational materials as well as communication with CHNs. KM did the primary writing, closely working with author GD. All authors reviewed the manuscript and gave final approval.