Supplemental Material for Agreement between parent-proxy and child self-report in pediatric hypermobile Ehlers-Danlos syndrome by Michael Muriello, You Wang, Julia L Clemens, Weiyi Mu, Christy H Smith, Phuong T Tran, Peter C Rowe, Clair Francomano, Antonie D Kline and Joann Bodurtha in Journal of Child Health Care</p