| article html file updated | 12 February 2020 06:34 CET | Update | https://www.mdpi.com/2073-4352/9/4/212 |
| article html file updated | 18 October 2019 16:28 CEST | Update | - |
| article html file updated | 8 May 2019 16:23 CEST | Update | - |
| article html file updated | 25 April 2019 09:02 CEST | Update | - |
| article html file updated | 24 April 2019 08:22 CEST | Original file | - |
| article pdf uploaded. | 24 April 2019 08:20 CEST | Updated version of record | https://www.mdpi.com/2073-4352/9/4/212/pdf |
| article xml uploaded. | 24 April 2019 08:20 CEST | Update | https://www.mdpi.com/2073-4352/9/4/212/xml |
| article xml file uploaded | 24 April 2019 08:20 CEST | Update | - |
| article pdf uploaded. | 19 April 2019 14:53 CEST | Version of Record | https://www.mdpi.com/2073-4352/9/4/212/pdf-vor |
| article xml file uploaded | 19 April 2019 14:53 CEST | Original file | - |
