human 295 Humans 186 male 151 female 146 training 146 Article 145 adult 141 article 110 controlled study 102 Deep learning 71 Training 71 human experiment 68 major clinical study 59 machine learning 54 Male 53 Female 52 learning 43 procedures 42 algorithm 41 deep learning 40 randomized controlled trial 39 education 38 Adult 37 clinical article 37 COVID-19 36 Learning systems 35 aged 35 questionnaire 35 middle aged 32 Personnel training 31