Erratum to: Auxiliary midwives in hard to reach rural areas of Myanmar: filling MCH gaps. (December 2016) - Wangmo, Sangay; Suphanchaimat, Rapeepong; Htun, Wai; Aung, Tin; Khitdee, Chiraporn; Patcharanarumol, Walaiporn; Htoon, Pe; Tangcharoensathien, Viroj