| article html file updated | 8 June 2020 05:00 CEST | Update | https://www.mdpi.com/2313-5778/4/2/63 |
| article pdf uploaded. | 8 June 2020 04:59 CEST | Updated version of record | https://www.mdpi.com/2313-5778/4/2/63/pdf |
| article xml uploaded. | 8 June 2020 04:59 CEST | Update | https://www.mdpi.com/2313-5778/4/2/63/xml |
| article xml file uploaded | 8 June 2020 04:59 CEST | Update | - |
| article html file updated | 4 June 2020 09:51 CEST | Original file | - |
| article pdf uploaded. | 4 June 2020 09:50 CEST | Version of Record | https://www.mdpi.com/2313-5778/4/2/63/pdf-vor |
| article xml file uploaded | 4 June 2020 09:50 CEST | Original file | - |
