You can either use the session-wide link, persistent links, or single-use links.

Session-wide link

If it's not practical for you to use a Room, you can distribute the following link to participants.

http://presurvey.cp.proxy.wiim.rocks/join/kerehode

Persistent links

For a real session, you should use a room.

Single-use links

Below are single-use links.

P1	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/d1i9yzc9
P2	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/mu3nx3oj
P3	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/zw27ycum
P4	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/px420nhs
P5	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/rg7ddc5g
P6	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/02fvbzku
P7	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/tvtjimpk
P8	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/8vftu8ab
P9	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/ak0g8nid
P10	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/qjod8drw
P11	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/4q2zs9jj
P12	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/2vd1cat5
P13	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/5p9yf1m8
P14	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/hr840lxy
P15	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/uk4b2smo
P16	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/3ibjko89
P17	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/9yepouk9
P18	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/9tnu24bq
P19	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/dbib74rz
P20	http://presurvey.cp.proxy.wiim.rocks/InitializeParticipant/8hzs0upb