| article html file updated | 12 February 2020 03:12 CET | Update | https://www.mdpi.com/2218-1989/9/4/67 |
| article html file updated | 17 October 2019 19:18 CEST | Update | - |
| article html file updated | 8 May 2019 22:11 CEST | Update | - |
| article html file updated | 25 April 2019 16:31 CEST | Update | - |
| article html file updated | 19 April 2019 10:00 CEST | Original file | - |
| article pdf uploaded. | 19 April 2019 09:59 CEST | Updated version of record | https://www.mdpi.com/2218-1989/9/4/67/pdf |
| article xml uploaded. | 19 April 2019 09:59 CEST | Update | https://www.mdpi.com/2218-1989/9/4/67/xml |
| article xml file uploaded | 19 April 2019 09:59 CEST | Update | - |
| article pdf uploaded. | 4 April 2019 16:05 CEST | Version of Record | https://www.mdpi.com/2218-1989/9/4/67/pdf-vor |
| article xml file uploaded | 4 April 2019 16:05 CEST | Original file | - |
