| article html file updated | 12 February 2020 06:40 CET | Update | https://www.mdpi.com/2073-4352/9/4/213 |
| article html file updated | 8 May 2019 16:24 CEST | Update | - |
| article html file updated | 25 April 2019 08:54 CEST | Update | - |
| article html file updated | 22 April 2019 05:03 CEST | Update | - |
| article pdf uploaded. | 22 April 2019 05:02 CEST | Updated version of record | https://www.mdpi.com/2073-4352/9/4/213/pdf |
| article xml uploaded. | 22 April 2019 05:02 CEST | Update | https://www.mdpi.com/2073-4352/9/4/213/xml |
| article xml file uploaded | 22 April 2019 05:02 CEST | Update | - |
| article html file updated | 20 April 2019 08:10 CEST | Original file | - |
| article pdf uploaded. | 20 April 2019 08:09 CEST | Version of Record | https://www.mdpi.com/2073-4352/9/4/213/pdf-vor |
| article xml file uploaded | 20 April 2019 08:09 CEST | Original file | - |
