| article html file updated | 9 February 2020 14:23 CET | Update | https://www.mdpi.com/1996-1073/11/4/980 |
| article html file updated | 1 May 2019 02:23 CEST | Update | - |
| article html file updated | 17 April 2019 02:53 CEST | Update | - |
| article html file updated | 29 March 2019 16:58 CET | Update | - |
| article html file updated | 1 May 2018 09:51 CEST | Update | - |
| article html file updated | 24 April 2018 13:29 CEST | Update | - |
| article xml uploaded. | 24 April 2018 13:27 CEST | Update | https://www.mdpi.com/1996-1073/11/4/980/xml |
| article pdf uploaded. | 24 April 2018 13:27 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/980/pdf |
| article html file updated | 18 April 2018 14:30 CEST | Original file | - |
| article pdf uploaded. | 18 April 2018 14:28 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/980/pdf-vor |
| article xml file uploaded | 18 April 2018 14:28 CEST | Original file | - |