Director of group that operates emergency call center says most callers initially cited loneliness and health fears, but an increasing number are reporting financial distress

After reenacting Van Gogh's famous self-portrait with her husband, Katerina Brudnaya-Chelyadinova invited her Facebook friends to have a go; her group is now a global phenomenon

Eran organization says callers lonely, worried about money and fearful of how long situation will last; Arabic-language hotline launched to meet increasing demand