| article html file updated | 12 February 2020 06:30 CET | Update | https://www.mdpi.com/2073-4433/10/4/209 |
| article html file updated | 18 October 2019 16:05 CEST | Update | - |
| article html file updated | 8 May 2019 13:07 CEST | Update | - |
| article html file updated | 25 April 2019 09:06 CEST | Update | - |
| article html file updated | 23 April 2019 04:04 CEST | Update | - |
| article pdf uploaded. | 23 April 2019 04:02 CEST | Updated version of record | https://www.mdpi.com/2073-4433/10/4/209/pdf |
| article xml uploaded. | 23 April 2019 04:02 CEST | Update | https://www.mdpi.com/2073-4433/10/4/209/xml |
| article xml file uploaded | 23 April 2019 04:02 CEST | Update | - |
| article html file updated | 19 April 2019 13:23 CEST | Original file | - |
| article pdf uploaded. | 19 April 2019 12:52 CEST | Version of Record | https://www.mdpi.com/2073-4433/10/4/209/pdf-vor |
| article xml file uploaded | 19 April 2019 12:52 CEST | Original file | - |
