| article html file updated | 12 February 2020 06:31 CET | Update | https://www.mdpi.com/2226-4310/6/4/46 |
| article html file updated | 18 October 2019 16:12 CEST | Update | - |
| article html file updated | 8 May 2019 19:10 CEST | Update | - |
| article html file updated | 25 April 2019 09:04 CEST | Update | - |
| article html file updated | 19 April 2019 13:44 CEST | Original file | - |
| article pdf uploaded. | 19 April 2019 13:42 CEST | Version of Record | https://www.mdpi.com/2226-4310/6/4/46/pdf |
| article xml uploaded. | 19 April 2019 13:42 CEST | Update | https://www.mdpi.com/2226-4310/6/4/46/xml |
| article xml file uploaded | 19 April 2019 13:42 CEST | Original file | - |
