Application of the Delphi Method for Content Validity Analysis of a Questionnaire to Determine the Risk Factors of the Chemsex

1. del Pozo-Herce, P.
2. Martínez-Sabater, A.
3. Chover-Sierra, E.
4. Gea-Caballero, V.
5. Satústegui-Dordá, P.J.
6. Saus-Ortega, C.
7. Tejada-Garrido, C.I.
8. Sánchez-Barba, M.
9. Pérez, J.
10. Juárez-Vela, R.
11. Santolalla-Arnedo, I.
12. Baca-García, E.