| article html file updated | 10 February 2020 15:25 CET | Update | https://www.mdpi.com/2410-387X/2/4/30 |
| article html file updated | 28 April 2019 21:00 CEST | Update | - |
| article html file updated | 14 April 2019 16:09 CEST | Update | - |
| article html file updated | 1 April 2019 05:06 CEST | Update | - |
| article html file updated | 12 October 2018 07:15 CEST | Original file | - |
| article pdf uploaded. | 12 October 2018 07:15 CEST | Version of Record | https://www.mdpi.com/2410-387X/2/4/30/pdf |
| article xml uploaded. | 12 October 2018 07:15 CEST | Update | https://www.mdpi.com/2410-387X/2/4/30/xml |
| article xml file uploaded | 12 October 2018 07:15 CEST | Original file | - |
