“…After passing from the first to the seventh stage, the SMS found 33 studies for results analysis in the last stage to answer the three research questions [Chan et al 2013, Choi et al 2013, Kim et al 2013, Tian et al 2013, Zhang and Liu 2013, Ajmal et al 2014, Baby et al 2014, Kikuchi et al 2014, Lazar and Banias 2014, Pohuba et al 2014, Zhang et al 2014, Acompora and Cosma 2015, Dutta 2015, Jhi et al 2015, Oprişa and Ignat 2015, Sharma et al 2015, Soh et al 2015, Tian et al 2015, Ming et al 2016, Strilețchi et al 2016, Agrawal and Sharma 2017, Jain et al 2017, Kargén and Shahmehri 2017, Luo et al 2017, Mirza et al 2017, Mišić et al 2017, Schneider et al 2017, Sudhamani and Rangarajan 2017, Karnalim 2018, Roopam and Singh 2018.…”