| article html file updated | 12 February 2020 05:33 CET | Update | https://www.mdpi.com/2075-4701/9/4/444 |
| article html file updated | 18 October 2019 09:40 CEST | Update | - |
| article html file updated | 25 April 2019 11:17 CEST | Update | - |
| article html file updated | 22 April 2019 06:39 CEST | Original file | - |
| article pdf uploaded. | 22 April 2019 06:38 CEST | Updated version of record | https://www.mdpi.com/2075-4701/9/4/444/pdf |
| article xml uploaded. | 22 April 2019 06:38 CEST | Update | https://www.mdpi.com/2075-4701/9/4/444/xml |
| article xml file uploaded | 22 April 2019 06:38 CEST | Update | - |
| article pdf uploaded. | 15 April 2019 17:14 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/4/444/pdf-vor |
| article xml file uploaded | 15 April 2019 17:14 CEST | Original file | - |
