It's part of the guidelines put together for the media based on studies for reporting about suicide to include resources.

> Provide information on warning signs of suicide risk as well as hotline and treatment resources. At a minimum, include the National Suicide Prevention Lifeline and Crisis Text Line (listed below) or local crisis phone numbers.

https://reportingonsuicide.org/

I don't think I would expect this from a scientific paper but it doesn't seem inappropriate for HN.