Can smartphone apps increase physical activity? Systematic review and meta-analysis

- Romeo, Amelia, Edney, Sarah, Plotnikoff, Ronald, Curtis, Rachel, Ryan, Jillian, Sanders, Ilea, Crozier, Alyson, Maher, Carol

Characteristics of adopters of an online social networking physical activity mobile phone app: cluster analysis

- Sanders, Ilea, Short, Camille E., Maher, Carol, Bogomolova, Svetlana, Stanford, Tyman, Plotnikoff, Ronald, Vandelanotte, Corneel, Olds, Tim, Edney, Sarah, Ryan, Jillian, Curtis, Rachel G.