Regulation of robocalls and robotexts : Australia, Brazil, Canada, European Union, France, India, Ireland, Israel, Japan, Mexico, Romania, Russian Federation, Singapore, South Africa, Sweden, United Kingdom, United States / - Zhang, Laney,; Buchanan, Kelly; Soares, Eduardo; Ahmad, Tariq; Gesley, Jenny,; Gilbert, Louis A.,; Feikert-Ahalt, Clare; Levush, Ruth; Umeda, Sayuri,; Guerra, Gustavo,; Fremer, Iana; Roudik, Peter,; et al.