| article html file updated | 12 February 2020 07:02 CET | Update | https://www.mdpi.com/1996-1073/12/8/1521 |
| article html file updated | 18 October 2019 19:25 CEST | Update | - |
| article html file updated | 9 May 2019 14:59 CEST | Update | - |
| article html file updated | 25 April 2019 08:16 CEST | Update | - |
| article html file updated | 23 April 2019 09:15 CEST | Original file | - |
| article pdf uploaded. | 23 April 2019 09:14 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/8/1521/pdf |
| article xml uploaded. | 23 April 2019 09:14 CEST | Update | https://www.mdpi.com/1996-1073/12/8/1521/xml |
| article xml file uploaded | 23 April 2019 09:14 CEST | Update | - |
| article pdf uploaded. | 22 April 2019 15:49 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/8/1521/pdf-vor |
| article xml file uploaded | 22 April 2019 15:49 CEST | Original file | - |
