You should be redirected automatically to the target URL: https://mfr.osf.io/export?format=pdf&url=https%3A//files.osf.io/v1/resources/6k3q9_v1/providers/osfstorage/5d97189a0b9a8c000c2f9bb2%3Fformat%3Dpdf%26action%3Ddownload%26direct%26version%3D1. If not, click the link.