Apers, S, Kovacs, AH, Luyckx, K, Alday, L, Berghammer, M, Budts, W, Callus, E, Caruana, M, Chidambarathanu, S, Cook, SC, Dellborg, M, Enomoto, J, Eriksen, K, Fernandes, SM, Jackson, JL, Johansson, B, Khairy, P, Kutty, S, Menahem, S, Rempel, G, Sluman, MA, Soufi, A, Thomet, C, Veldtman, G, Wang, JK
, White, K & Moons, P 2015, '
Assessment of Patterns of Patient-reported Outcomes in Adults with Congenital Heart disease — International Study (APPROACH-IS): Rationale, design, and methods',
International Journal of Cardiology, vol. 179.
https://doi.org/10.1016/j.ijcard.2014.11.084