RT Journal Article SR Electronic T1 The importance of study design in the assessment of nonnutritive sweeteners and cardiometabolic health JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1424 OP E1425 DO 10.1503/cmaj.733381 VO 189 IS 46 A1 John L. Sievenpiper A1 Tauseef A. Khan A1 Vanessa Ha A1 Effie Viguiliouk A1 Rodney Auyeung YR 2017 UL http://www.cmaj.ca/content/189/46/E1424.abstract AB