Table 2.

List of clinical studies and reviews evaluated.

Altenburg et al. [48]	Nébié et al. [44]
Arroyo et al. [34]	Nieto and Salvetti [30]
Babu Appaiahgari and Vrati [33]	Ondondo [52]
Banchereau and Steinman [36]	Pandey et al. [27]
Bermúdez-Humarán et al. [58]	Paris et al. [43]
Bråve et al. [28]	Ploquin et al. [31]
Chin’ombe et al. [60]	Rimmelzwaan and Sutter [55]
Choi and Chang [35]	Robertson [51]
Cottingham et al. [56]	Rollier et al. [11]
Croyle et al. [41]	Saxena et al. [39]
Dicks et al. [40]	Smith et al. (2011)
Dung et al. (2012)	Tatsis and Ertl [37]
Ewer et al. [45]	Tripp and Tompkins [47]
Gómez et al. [49]	Ulmer et al. [3]
Hessel et al. [54]	Ura et al. [32]
Kreijtz et al. [26]	Verheust et al. [53]
Lundstrom [46]	Weaver and Barry [42]
Mooney and Tompkins [38]	Williams et al. [29]
Myhr et al. [50]	Youngjoo et al. (2013)