| article html file updated | 12 February 2020 01:27 CET | Update | https://www.mdpi.com/2412-3811/4/2/13 |
| article html file updated | 17 October 2019 08:31 CEST | Update | N/A |
| article html file updated | 16 May 2019 11:26 CEST | Original file | N/A |
| article pdf uploaded. | 16 May 2019 11:24 CEST | Updated version of record | https://www.mdpi.com/2412-3811/4/2/13/pdf |
| article xml uploaded. | 16 May 2019 11:24 CEST | Update | https://www.mdpi.com/2412-3811/4/2/13/xml |
| article xml file uploaded | 16 May 2019 11:24 CEST | Update | N/A |
| article pdf uploaded. | 28 March 2019 14:20 CET | Version of Record | https://www.mdpi.com/2412-3811/4/2/13/pdf-vor |
| article xml file uploaded | 28 March 2019 14:20 CET | Original file | N/A |
