| Author | Bibliography Reference | Comment |
| Muradin | [22] - [37] | Double counting due to double publishing |
| Yajun | [38] - [44] | Potential double count |
| Mwipatayi | [24] [38] [41] [42] [43] [45] [46] [47] | |
| Kasapsis | [22] [24] [38] [40] [41] [45] [46] [48] | |
| Perio | [23] [40] [45] [46] [47] [49] - [59] | Potential double count |
| Cochrane | [22] [24] [38] [40] [41] [43] [46] [47] [60] [61] [62] | |
| Antanopoulos et al. | [24] [38] [39] [41] [43] [46] [47] [57] [63] - [87] |