Ho 2019, tlhaiso-leseling e ile ea bokelloa ho khetholla bo-ramahlale ba phahameng ba 100,000 lefats'eng ka bophara ho latela lipatlisiso tsa bona tse phatlalalitsoeng (Ioannidis et al., \ 2019). Litekanyetso tsena tse fumanehang phatlalatsa tse fumanehang sechabeng tse hlalosang tšusumetso ea mosebetsi oa bona oa mahlale. Lintlha li ntlafalitsoe ka 2020 (Ioannidis et al., 2020) mme e na le likarolo tse peli: data ea ts'ebetso ea nako e telele ea mosebetsi (lipatlisiso tse phatlalalitsoeng lipakeng tsa 1996 le 2019) le data ea setšoantšo sa selemo se le seng (lipatlisiso tse phatlalalitsoeng ka 2019). Lisebelisoa tse peli tsa data li a khahlisa ka hore ea pele e sheba tlhahiso ea nako e telele ea rasaense mme ea morao-rao e sheba ts'ebetso ho feta selemo sa khalendara - e leng bohlokoa haholo ho borasaense ba banyane ba neng ba sena nako e ngata ea hore lingoliloeng tsa bona li ipokellele mantsoe a qotsitsoeng.
Baprofesa ba supileng Lefapheng la Temo ea Temo ea limela Univesithing ea Naha ea Michigan ba maemong a holimo ho 2% ea ts'imo ea bona e ipapisitseng le tlhaiso-leseling e mabapi le ts'ebetso ea nako e telele: Randy Beaudry, Bert Cregg, Jim Hancock, Jiming Jiang, Muraleedharan Nair, Brad Rowe le Erik Runkle. Ntle le moo, litho tsena tse supileng hammoho le tse ling tse hlano tsa thuto ea temo li ne li thathamisitsoe ho data ea selemo sa 2019% se holimo sa 2: Cornelius Barry, Dan Chitwood, Patrick Edger, Kristin Getter le Ning Jiang.