1 Subjects: “...real-time data...”

2 Subjects: “...real-time prediction...”

3 Subjects: “...time delay...”

4 “... woman who had to fight the gender difficulties of her times, in the XIX century. We also thank...”

5 “.... Covering wide-ranging time periods, the authors explores with their own cases four major characteristics...”

6 “... delivery approaches. This reprint provides timely research on the impact of COVID-19 on education systems...”