| article html file updated | 19 May 2021 12:46 CEST | Original file | https://www.mdpi.com/2079-6412/11/5/577 |
| article pdf uploaded. | 19 May 2021 12:44 CEST | Updated version of record | https://www.mdpi.com/2079-6412/11/5/577/pdf |
| article xml uploaded. | 19 May 2021 12:44 CEST | Update | https://www.mdpi.com/2079-6412/11/5/577/xml |
| article xml file uploaded | 19 May 2021 12:44 CEST | Original file | - |
| article pdf uploaded. | 15 May 2021 12:18 CEST | Version of Record | https://www.mdpi.com/2079-6412/11/5/577/pdf-vor |
