| article html file updated | 9 February 2020 13:06 CET | Update | https://www.mdpi.com/1996-1073/11/4/873 |
| article html file updated | 2 October 2019 10:25 CEST | Update | - |
| article html file updated | 1 May 2019 04:55 CEST | Update | - |
| article html file updated | 17 April 2019 05:09 CEST | Update | - |
| article html file updated | 29 March 2019 14:01 CET | Update | - |
| article html file updated | 1 May 2018 09:15 CEST | Update | - |
| article html file updated | 12 April 2018 14:54 CEST | Original file | - |
| article xml uploaded. | 12 April 2018 14:53 CEST | Update | https://www.mdpi.com/1996-1073/11/4/873/xml |
| article pdf uploaded. | 12 April 2018 14:53 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/873/pdf |
| article pdf uploaded. | 9 April 2018 14:27 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/873/pdf-vor |
| article pdf uploaded. | 9 April 2018 14:20 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/873/pdf-vor |
