Authors: James Galipeau; Virginia Barbour; Patricia Baskin; Sally Bell-Syer; Kelly Cobey; Miranda Cumpston; Jon Deeks; Paul Garner; Harriet MacLehose; Larissa Shamseer; Sharon Straus; Peter Tugwell; Elizabeth Wager; Margaret Winker; David Moher Journal: BMC Med Date: 2016-02-02 Impact factor: 8.775