by van Krugten, Frédérique C W, Kaddouri, Meriam, Goorden, Maartje, van Balkom, Anton J L M, Bockting, Claudi L H, Peeters, Frenk P M L, Hakkaart-van Roijen, Leona
Published in PloS one (08.02.2017)

by van der Feltz-Cornelis, Christina M., Shepherd, Jessie, Gevaert, Jessie, Van Aerden, Karen, Vanroelen, Christophe, Cepa, Oriol Borrega, Recio, Laura González, Bernard, Renaldo M., Vorstenbosch, Ellen, Cristóbal-Narváez, Paula, Felez-Nobrega, Mireia, de Miquel, Carlota, Merecz-Kot, Dorota, Staszewska, Kaja, Sinokki, Marjo, Naumanen, Päivi, Roijen, Leona Hakkaart-van, van Krugten, Frédérique, de Mul, Marleen, Haro, Josep Maria, Olaya, Beatriz
Published in Internet interventions : the application of information technology in mental and behavioural health (01.12.2023)

by Hakkaart-Van Roijen, Leona, Van Straten, Annemieke, Al, Maiwenn, Rutten, Frans, Donker, Marianne
Published in British journal of psychiatry (01.04.2006)

by Brouwer, Werner, Huls, Samare, Sajjad, Ayesha, Kanters, Tim, Roijen, Leona Hakkaart-van, van Exel, Job
Published in PharmacoEconomics (01.01.2022)

by Romijn, Geke, Batelaan, Neeltje, Koning, Jeroen, van Balkom, Anton, de Leeuw, Aart, Benning, Friederike, Hakkaart van Roijen, Leona, Riper, Heleen
Published in PloS one (12.11.2021)

by Mohnen, Sigrid M, van Oosten, Manon J M, Los, Jeanine, Leegte, Martijn J H, Jager, Kitty J, Hemmelder, Marc H, Logtenberg, Susan J J, Stel, Vianda S, Hakkaart-van Roijen, Leona, de Wit, G Ardine
Published in PloS one (15.08.2019)

by Vataire, Anne-Lise, MSc, Aballéa, Samuel, MSc, Antonanzas, Fernando, Pr, Roijen, Leona Hakkaart-van, MD, Lam, Raymond W., MD, McCrone, Paul, PhD, Persson, Ulf, PhD, Toumi, Mondher, PhD
Published in Value in health (01.03.2014)

by Reckers-Droog, Vivian, Goorden, Maartje, Kaminer, Yifrah, van Domburgh, Lieke, Brouwer, Werner, Hakkaart-van Roijen, Leona
Published in PloS one (11.09.2020)

by Sajjad, Ayesha, Versteegh, Matthijs M, Santi, Irene, Busschbach, Jan, Simon, Judit, Roijen, Leona Hakkaart-van
Published in BMC medical research methodology (12.01.2023)

by Bouwmans, Clazien, de Sonneville, Caroline, Mulder, Cornelis L, Hakkaart-van Roijen, Leona
Published in Neuropsychiatric disease and treatment (01.01.2015)

by Vemer, Pepijn, Bouwmans, Clazien A, Zijlstra-Vlasveld, Moniek C, van der Feltz-Cornelis, Christina M, Hakkaart-van Roijen, Leona
Published in Neuropsychiatric disease and treatment (01.01.2013)

by de Vries, Eline F, Los, Jeanine, de Wit, G Ardine, Hakkaart-van Roijen, Leona
Published in BMC nephrology (16.10.2021)

by Tan, Siok Swan, MSc, van Ineveld, Bastianus Martinus, MSc, Redekop, William Ken, PhD, Roijen, Leona Hakkaart-van, PhD
Published in Value in health (01.06.2009)

by Tan, Siok Swan, PhD, Bakker, Jan, PhD, MD, Hoogendoorn, Marga E., MSc, Kapila, Atul, PhD, MD, Martin, Joerg, PhD, MD, Pezzi, Angelo, PhD, MD, Pittoni, Giovanni, PhD, MD, Spronk, Peter E., PhD, MD, Welte, Robert, PhD, Hakkaart-van Roijen, Leona, PhD
Published in Value in health (01.01.2012)

by Volker, Daniëlle, Vlasveld, Moniek C, Anema, Johannes R, Beekman, Aartjan Tf, Roijen, Leona Hakkaart-van, Brouwers, Evelien Pm, van Lomwel, A Gijsbert C, van der Feltz-Cornelis, Christina M
Published in Neuropsychiatric disease and treatment (01.01.2013)

by Tan, Siok Swan, Rutten, Frans F. H., Roijen, Leona Hakkaart-van
Published in Journal of evaluation in clinical practice (01.12.2011)

by Pokhilenko, Irina, Janssen, Luca M. M., Paulus, Aggie T. G., Drost, Ruben M. W. A., Hollingworth, William, Thorn, Joanna C., Noble, Sian, Simon, Judit, Fischer, Claudia, Mayer, Susanne, Salvador-Carulla, Luis, Konnopka, Alexander, Hakkaart van Roijen, Leona, Brodszky, Valentin, Park, A-La, Evers, Silvia M. A. A.
Published in Applied health economics and health policy (01.03.2023)

by van Steenbergen-Weijenburg, Kirsten M, de Vroege, Lars, Ploeger, Robert R, Brals, Jan W, Vloedbeld, Martijn G, Veneman, Thiemo F, Hakkaart-van Roijen, Leona, Rutten, Frans F J, Beekman, Aartjan T F, van der Feltz-Cornelis, Christina M
Published in BMC health services research (12.08.2010)

by Bouwmans, Clazien, Krol, Marieke, Severens, Hans, Koopmanschap, Marc, Brouwer, Werner, Hakkaart-van Roijen, Leona
Published in Value in health (01.09.2015)

by Kanters, Tim A, Bouwmans, Clazien A M, van der Linden, Naomi, Tan, Siok Swan, Hakkaart-van Roijen, Leona
Published in PloS one (09.11.2017)