Validity of instruments to measure physical activity may be questionable due to a lack of conceptual frameworks: a systematic review

by Gimeno-Santos, Elena, Frei, Anja, Dobbels, Fabienne, Rüdell, Katja, Puhan, Milo A, Garcia-Aymerich, Judith
Published 2011

Patient-reported physical activity questionnaires: A systematic review of content and format

by Williams, Kate, Frei, Anja, Vetsch, Anders, Dobbels, Fabienne, Puhan, Milo A, Rüdell, Katja
Published 2012

A comprehensive systematic review of the development process of 104 patient-reported outcomes (PROs) for physical activity in chronically ill and elderly people

by Frei, Anja, Williams, Kate, Vetsch, Anders, Dobbels, Fabienne, Jacobs, Laura, Rüdell, Katja, Puhan, Milo A
Published 2011

A review of the most common patient-reported outcomes in COPD – revisiting current knowledge and estimating future challenges

by Cazzola, Mario, Hanania, Nicola Alexander, MacNee, William, Rüdell, Katja, Hackford, Claire, Tamimi, Nihad
Published 2015

The PROactive innovative conceptual framework on physical activity

by Dobbels, Fabienne, de Jong, Corina, Drost, Ellen, Elberse, Janneke, Feridou, Chryssoula, Jacobs, Laura, Rabinovich, Roberto, Frei, Anja, Puhan, Milo A., de Boer, Willem I., van der Molen, Thys, Williams, Kate, Pinnock, Hillary, Troosters, Thierry, Karlsson, Niklas, Kulich, Karoly, Rüdell, Katja, Brindicci, Caterina, Higenbottam, Tim, Troosters, Thierry, Dobbels, Fabienne, Decramer, Marc, Tabberer, Margaret, Rabinovich, Roberto A, MacNee, William, Vogiatzis, Ioannis, Polkey, Michael, Hopkinson, Nick, Garcia-Aymerich, Judith, Puhan, Milo, Frei, Anja, van der Molen, Thys, de Jong, Corina, de Boer, Pim, Jarrod, Ian, McBride, Paul, Kamel, Nadia, Rudell, Katja, Wilson, Frederick J., Ivanoff, Nathalie, Kulich, Karoly, Glendenning, Alistair, Karlsson, Niklas X., Corriol-Rohou, Solange, Nikai, Enkeleida, Erzen, Damijan
Published 2014