| article html file updated | 12 February 2020 10:40 CET | Update | https://www.mdpi.com/2226-4787/7/2/43 |
| article html file updated | 5 July 2019 18:07 CEST | Update | - |
| article html file updated | 8 May 2019 09:22 CEST | Original file | - |
| article pdf uploaded. | 8 May 2019 09:21 CEST | Version of Record | https://www.mdpi.com/2226-4787/7/2/43/pdf |
| article xml uploaded. | 8 May 2019 09:21 CEST | Update | https://www.mdpi.com/2226-4787/7/2/43/xml |
| article xml file uploaded | 8 May 2019 09:21 CEST | Original file | - |
