Daniel Steffens, University of Sydney (image) Wiley Caption Dr. Steffens, University of Sydney, is the author "Low Back Pain Weather." Credit Dr. Steffens Usage Restrictions Use in conjunction with study. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.