Relating Streamer Flows to Density and Magnetic Structures at the Parker Solar Probe - Rouillard,AP; Kouloumvakos,A; Vourlidas,A; Kasper,J; Bale,S; Raouafi,N-E; Lavraud,B; Howard,RA; Stenborg,G; Stevens,M; Poirier,N; Davies,JA; et al. (ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2020)