| article html file updated | 7 February 2020 11:51 CET | Update | https://www.mdpi.com/1996-1073/9/7/553 |
| article html file updated | 5 May 2019 09:53 CEST | Update | - |
| article html file updated | 27 March 2019 10:34 CET | Update | - |
| article html file updated | 27 July 2016 10:01 CEST | Update | - |
| article html file updated | 19 July 2016 05:15 CEST | Update | - |
| article xml uploaded. | 19 July 2016 05:13 CEST | Update | https://www.mdpi.com/1996-1073/9/7/553/xml |
| article pdf uploaded. | 19 July 2016 05:13 CEST | Updated version of record | https://www.mdpi.com/1996-1073/9/7/553/pdf |
| article html file updated | 18 July 2016 09:05 CEST | Original file | - |
| article pdf uploaded. | 18 July 2016 09:03 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/7/553/pdf-vor |