Table 1.
Search strings for the 4 themes.
| Theme | String |
| Mobile context | Smartphone OR smart phone OR mobile phone OR mobile device OR mHealtha OR tablet |
| Software | App OR application OR operating system OR OSb OR ios OR android OR windows OR google play |
| Postoperative | Postoperative OR post-operative OR surgery OR surgical OR operation OR perioperative OR peri operative |
| Usability | Usab* OR understandab* OR learnab* OR operab* OR attractive* OR user experience OR engag* OR satisf* OR adher* OR willing* OR accepta* OR effectiv* OR aesthetic OR intuitive* |
amHealth: mobile health.
bOS: operating system.