| article html file updated | 8 February 2020 16:29 CET | Update | https://www.mdpi.com/1996-1073/10/9/1438 |
| article html file updated | 27 September 2019 05:07 CEST | Update | - |
| article html file updated | 3 May 2019 01:26 CEST | Update | - |
| article html file updated | 30 September 2017 07:56 CEST | Update | - |
| article html file updated | 20 September 2017 12:10 CEST | Original file | - |
| article xml uploaded. | 20 September 2017 12:09 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1438/xml |
| article pdf uploaded. | 20 September 2017 12:09 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1438/pdf |
| article pdf uploaded. | 18 September 2017 12:38 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1438/pdf-vor |
