| article html file updated | 8 October 2020 16:51 CEST | Update | https://www.mdpi.com/2414-4088/4/1/2 |
| article html file updated | 27 March 2020 09:04 CET | Original file | N/A |
| article pdf uploaded. | 27 March 2020 09:01 CET | Updated version of record | https://www.mdpi.com/2414-4088/4/1/2/pdf |
| article xml uploaded. | 27 March 2020 09:01 CET | Update | https://www.mdpi.com/2414-4088/4/1/2/xml |
| article xml file uploaded | 27 March 2020 09:01 CET | Update | N/A |
| article pdf uploaded. | 18 March 2020 07:11 CET | Updated version of record | https://www.mdpi.com/2414-4088/4/1/2/pdf-vor |
| article pdf uploaded. | 22 January 2020 11:48 CET | Version of Record | https://www.mdpi.com/2414-4088/4/1/2/pdf-vor |
| article xml file uploaded | 22 January 2020 11:48 CET | Original file | N/A |
