Postoperative outcomes within enhanced recovery after surgery protocol in elective total hip and knee arthroplasty. POWER.2 study: Study protocol for a prospective, multicentre, observational cohort study

1. Ripollés-Melchor, J.
2. Abad-Motos, A.
3. Logroño-Egea, M.
4. Aldecoa, C.
5. García-Erce, J.A.
6. Jiménez-López, I.
7. Cassinello-Ogea, C.
8. Marín-Peña, O.
9. Ferrando-Ortolá, C.
10. de la Rica, A.S.
11. Gómez-Ríos, M.A.
12. Sánchez-Martín, R.
13. Abad-Gurumeta, A.
14. Casans-Francés, R.
15. Mugarra-Llopis, A.
16. Varela-Durán, M.
17. Longás-Valién, J.
18. Ramiro-Ruiz, Á.
19. Cuellar-Martínez, A.B.
20. Ramírez-Rodríguez, J.M.
21. Calvo-Vecino, J.M.