| article html file updated | 9 October 2020 20:58 CEST | Update | https://www.mdpi.com/2073-431X/9/3/69 |
| article html file updated | 8 September 2020 12:29 CEST | Original file | - |
| article pdf uploaded. | 8 September 2020 12:28 CEST | Updated version of record | https://www.mdpi.com/2073-431X/9/3/69/pdf |
| article xml uploaded. | 8 September 2020 12:28 CEST | Update | https://www.mdpi.com/2073-431X/9/3/69/xml |
| article xml file uploaded | 8 September 2020 12:28 CEST | Original file | - |
| article pdf uploaded. | 29 August 2020 04:17 CEST | Version of Record | https://www.mdpi.com/2073-431X/9/3/69/pdf-vor |
