Table 2 The Newcastle Ottawa Scale indicating the methodological quality of the included studies

Hepple et al., 2019¹¹

3

2

3

Good

Lyons et al., 2021⁷

3

2

3

Good

Maddock et al., 2020¹²

3

2

2

Good

Yeguiayan et al., 2011¹³

4

2

3

Good

Fukuda et al., 2018¹⁴

3

2

2

Good

Goto et al., 2019¹⁵

3

2

3

Good

Den Hartog et al., 2015¹⁶

3

2

3

Good

Moors et al., 2019¹⁷

3

2

2

Good

Tsuboi et al., 2022¹⁸

3

2

3

Good

Hessefeldt et l., 2013²⁰

3

2

3

Good

de Jongh et al., 2012¹⁹

3

2

3

Good

Hagihara et al., 2014²¹

3

2

3

Good

Bujak et al., 2022²²

3

2

3

Good

Endo et al., 2021²³

3

2

2

Good

Hamilton et al., 2016²⁴

3

2

3

Good

Hatakeyama et al., 2023²⁵

3

2

2

Good

Kato et al., 2019²⁶

3

2

3

Good

Sato et al., 2019²⁷

3

2

2

Good

Obara et al.,2023²⁸

3

2

3

Good

Endo et al., 2020²⁹

3

2

3

Good

Hatakeyama et al., 2021³⁰

3

2

3

Good

Pakkanen et al., 2019³¹

2

2

2

Good