| article html file updated | 30 June 2020 04:34 CEST | Original file | https://www.mdpi.com/2073-431X/9/2/49 |
| article pdf uploaded. | 30 June 2020 04:33 CEST | Updated version of record | https://www.mdpi.com/2073-431X/9/2/49/pdf |
| article xml uploaded. | 30 June 2020 04:33 CEST | Update | https://www.mdpi.com/2073-431X/9/2/49/xml |
| article xml file uploaded | 30 June 2020 04:33 CEST | Original file | N/A |
| article pdf uploaded. | 9 June 2020 11:54 CEST | Version of Record | https://www.mdpi.com/2073-431X/9/2/49/pdf-vor |
