Table 2.

Adverse effects detected in studies reporting “no adverse effects.”

Study (year)	Participants in the exposure group, n	Adverse effect described
Pot-Kolder et al (2018) [37]	58	Dropouts due to cybersickness (n=1) and uncomfortable devices (n=2)
Pericot-Valverde et al (2015) [38]	41	Increased cigarette craving (n=4)
Nason et al (2019) [39]	7	Mild motion sickness (n=1)
Gujjar et al (2018) [40]	5	Cybersickness (n=4)
Veling et al (2021) [41]	50	Dropouts due to cybersickness (n=2)