Los puntos clave no están disponibles para este artículo en este momento.
1We are grateful to two anonymous referees and editor Andrew Scott for their constructive suggestions. We also want to thank Jens Chr. Andvig, Carl-Johan Lars Dalgaard, and James A. Robinson and a number of seminar participants for valuable comments.
Mehlum et al. (Sun,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: