Schatman Michael E, Vasciannie Alexis, Kulich Ronald J
Research and Network Development, Boston PainCare, Waltham, MA, USA,
Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA, USA,
J Pain Res. 2019 Feb 12;12:649-657. doi: 10.2147/JPR.S198849. eCollection 2019.