In a recent Webinar of the US National Academy of Medicine, Dr Johnn-Martin Lowe has presented an overview of publications on this topic and the results of his own study:
https://www.covid19conversations.org/-/media/files/pdf/covid19/lowe.ashx?la=en&hash=73C83482563D76C432B63A33022939BDBECC727C
Studies have also been made in Germany (will retrieve and share)
Do you have additional input to share on this topic?