| article html file updated | 25 March 2020 11:54 CET | Original file | https://www.mdpi.com/2412-382X/4/1/15 |
| article pdf uploaded. | 25 March 2020 11:52 CET | Updated version of record | https://www.mdpi.com/2412-382X/4/1/15/pdf |
| article xml uploaded. | 25 March 2020 11:52 CET | Update | https://www.mdpi.com/2412-382X/4/1/15/xml |
| article xml file uploaded | 25 March 2020 11:52 CET | Update | N/A |
| article pdf uploaded. | 4 March 2020 13:41 CET | Version of Record | https://www.mdpi.com/2412-382X/4/1/15/pdf-vor |
| article xml file uploaded | 4 March 2020 13:41 CET | Original file | N/A |
