Yinghong Liu

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

1. Introduction Atmospheric deposition in the forms of precipitation, particles, and aerosols is a significant pathway of pollutants entering natural ecosystems such as soils, wetlands, and lakes. Pollution by toxic trace elements, such as As, Cd, Cr, Cu, Hg, Ni, Pb, and Zn, in dry and wet atmospheric deposition processes into the ecosystems are of particular interest due to their negative effects on ecosystem safety and human health [1,2].

To the Editor: We read with great interest the recent article by Kim and colleagues in The Journal of Rheumatology on disease flares in patients with systemic lupus erythematosus (SLE) with endstage renal disease (ESRD) on dialysis.1 The authors reached the conclusion that continued follow-up and appropriate therapy, including immunosuppressants, should be considered for patients with SLE receiving dialysis.