| article html file updated | 12 February 2020 04:23 CET | Update | https://www.mdpi.com/2075-5309/9/4/81 |
| article html file updated | 18 October 2019 02:34 CEST | Update | - |
| article html file updated | 9 May 2019 16:26 CEST | Update | - |
| article html file updated | 26 April 2019 08:09 CEST | Original file | - |
| article pdf uploaded. | 26 April 2019 08:08 CEST | Updated version of record | https://www.mdpi.com/2075-5309/9/4/81/pdf |
| article xml uploaded. | 26 April 2019 08:08 CEST | Update | https://www.mdpi.com/2075-5309/9/4/81/xml |
| article xml file uploaded | 26 April 2019 08:08 CEST | Update | - |
| article pdf uploaded. | 10 April 2019 14:45 CEST | Version of Record | https://www.mdpi.com/2075-5309/9/4/81/pdf-vor |
| article xml file uploaded | 10 April 2019 14:45 CEST | Original file | - |
