| article html file updated | 4 May 2020 18:54 CEST | Original file | https://www.mdpi.com/1996-1073/13/9/2189 |
| article pdf uploaded. | 4 May 2020 18:53 CEST | Updated version of record | https://www.mdpi.com/1996-1073/13/9/2189/pdf |
| article xml uploaded. | 4 May 2020 18:53 CEST | Update | https://www.mdpi.com/1996-1073/13/9/2189/xml |
| article xml file uploaded | 4 May 2020 18:53 CEST | Update | N/A |
| article pdf uploaded. | 1 May 2020 14:16 CEST | Version of Record | https://www.mdpi.com/1996-1073/13/9/2189/pdf-vor |
| article xml file uploaded | 1 May 2020 14:16 CEST | Original file | N/A |
