| article html file updated | 12 February 2020 09:11 CET | Update | https://www.mdpi.com/2411-5134/4/2/26 |
| article html file updated | 19 October 2019 08:45 CEST | Update | - |
| article html file updated | 27 May 2019 10:17 CEST | Original file | - |
| article pdf uploaded. | 27 May 2019 10:15 CEST | Updated version of record | https://www.mdpi.com/2411-5134/4/2/26/pdf |
| article xml uploaded. | 27 May 2019 10:15 CEST | Update | https://www.mdpi.com/2411-5134/4/2/26/xml |
| article xml file uploaded | 27 May 2019 10:15 CEST | Update | - |
| article pdf uploaded. | 1 May 2019 05:49 CEST | Version of Record | https://www.mdpi.com/2411-5134/4/2/26/pdf-vor |
| article xml file uploaded | 1 May 2019 05:49 CEST | Original file | - |
