| article html file updated | 6 May 2020 06:27 CEST | Update | https://www.mdpi.com/1996-1073/13/9/2218 |
| article pdf uploaded. | 6 May 2020 06:25 CEST | Updated version of record | https://www.mdpi.com/1996-1073/13/9/2218/pdf |
| article xml uploaded. | 6 May 2020 06:25 CEST | Update | https://www.mdpi.com/1996-1073/13/9/2218/xml |
| article xml file uploaded | 6 May 2020 06:25 CEST | Update | - |
| article html file updated | 2 May 2020 15:11 CEST | Original file | - |
| article pdf uploaded. | 2 May 2020 15:09 CEST | Version of Record | https://www.mdpi.com/1996-1073/13/9/2218/pdf-vor |
| article xml file uploaded | 2 May 2020 15:09 CEST | Original file | - |
