The opponent is senior lecturer Maj-Lena Linderson from Lund University, Sweden, and the custos is Professor Jaana Bäck. The defense can be followed via remote connection: https://helsinki.zoom.us/j/65417862505?pwd=bU1JSzJjMXFvbFJxd3JRQ25qMVd0QT09. It is also possible to attend the defense in person at lecture hall B2/Raisio-sali (Forest Sciences building, Viikki Campus, Latokartanonkaari 7). The maximum capacity of the lecture hall, with safety distances, is 60 persons. In addition, the audience is strongly recommended to wear facial masks during the defense. Extra masks will be available outside the lecture hall in case someone is missing their own.