An Internet-Based Psychological Intervention With a Serious Game to Improve Vitality, Psychological and Physical Condition, and Immune Function in Healthy Male Adults: Randomized Controlled Trial.
Lemmy SchakelDieuwke S VeldhuijzenHenriët van MiddendorpCorine PrinsAnne M H F DrittijFrank VrielingLeo G VisserTom H M OttenhoffSimone A JoostenAndrea W M EversPublished in: Journal of medical Internet research (2020)
Nederlands Trial Register NTR5610; https://www.trialregister.nl/trial/5466.