| article html file updated | 12 February 2020 05:05 CET | Update | https://www.mdpi.com/1996-1073/12/8/1421 |
| article html file updated | 18 October 2019 06:50 CEST | Update | - |
| article html file updated | 9 May 2019 13:16 CEST | Update | - |
| article html file updated | 25 April 2019 12:20 CEST | Update | - |
| article html file updated | 15 April 2019 12:27 CEST | Original file | - |
| article pdf uploaded. | 15 April 2019 12:26 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/8/1421/pdf |
| article xml uploaded. | 15 April 2019 12:26 CEST | Update | https://www.mdpi.com/1996-1073/12/8/1421/xml |
| article xml file uploaded | 15 April 2019 12:26 CEST | Update | - |
| article pdf uploaded. | 12 April 2019 19:15 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/8/1421/pdf-vor |
| article xml file uploaded | 12 April 2019 19:15 CEST | Original file | - |
