Vol 18.2 Corrigendum/author correction

6 September 2017, Corrigendum/author correction to "Evaluation of a compulsory peer-assisted learning and mentoring programme for medical students." Since publication, the first author has advised the editor that a second author should be added. Information on authorship eligibility has been provided, agreed and signed by both authors. The correction has been made and dated. The version of the paper is now the official record. The original publication date was 4 August 2017.