| article html file updated | 9 February 2020 14:17 CET | Update | https://www.mdpi.com/1996-1073/11/4/969 |
| article html file updated | 2 October 2019 17:39 CEST | Update | - |
| article html file updated | 1 May 2019 02:34 CEST | Update | - |
| article html file updated | 17 April 2019 03:03 CEST | Update | - |
| article html file updated | 29 March 2019 16:46 CET | Update | - |
| article html file updated | 1 May 2018 09:48 CEST | Update | - |
| article html file updated | 20 April 2018 06:51 CEST | Update | - |
| article xml uploaded. | 20 April 2018 06:49 CEST | Update | https://www.mdpi.com/1996-1073/11/4/969/xml |
| article pdf uploaded. | 20 April 2018 06:49 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/969/pdf |
| article html file updated | 18 April 2018 10:04 CEST | Original file | - |
| article pdf uploaded. | 18 April 2018 10:02 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/969/pdf-vor |
| article xml file uploaded | 18 April 2018 10:02 CEST | Original file | - |