- 66 - C.2.a Adoptability of the Ramírez brothers Cf. Committee on the Rights of the Child, General Comment No. 6: Treatment of unaccompanied and separated children outside their country of origin, UN Doc. CRC/GC/2005/6, September 1, 2005, para. 91. 375 376 Expert opinion of Nigel Cantwell provided by affidavit on May 5, 2017 (evidence file, folio 6945). Cf. Committee on the Rights of the Child, General Comment No. 6: Treatment of unaccompanied and separated children outside their country of origin, UN Doc. CRC/GC/2005/6, September 1, 2005, para. 91. 377