| article html file updated | 12 February 2020 13:03 CET | Update | https://www.mdpi.com/2411-5134/4/2/29 |
| article html file updated | 20 October 2019 06:36 CEST | Update | N/A |
| article html file updated | 30 May 2019 09:02 CEST | Original file | N/A |
| article pdf uploaded. | 30 May 2019 09:01 CEST | Updated version of record | https://www.mdpi.com/2411-5134/4/2/29/pdf |
| article xml uploaded. | 30 May 2019 09:01 CEST | Update | https://www.mdpi.com/2411-5134/4/2/29/xml |
| article xml file uploaded | 30 May 2019 09:01 CEST | Update | N/A |
| article pdf uploaded. | 16 May 2019 17:14 CEST | Version of Record | https://www.mdpi.com/2411-5134/4/2/29/pdf-vor |
| article xml file uploaded | 16 May 2019 17:14 CEST | Original file | N/A |
