| article html file updated | 15 April 2021 09:18 CEST | Original file | https://www.mdpi.com/2313-5778/5/2/39 |
| article pdf uploaded. | 15 April 2021 09:17 CEST | Version of Record | https://www.mdpi.com/2313-5778/5/2/39/pdf |
| article xml uploaded. | 15 April 2021 09:17 CEST | Update | https://www.mdpi.com/2313-5778/5/2/39/xml |
| article xml file uploaded | 15 April 2021 09:17 CEST | Original file | - |
