| article html file updated | 8 February 2020 16:29 CET | Update | https://www.mdpi.com/1996-1073/10/9/1437 |
| article html file updated | 27 September 2019 05:06 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 | 19 September 2017 12:56 CEST | Original file | - |
| article xml uploaded. | 19 September 2017 12:54 CEST | Update | https://www.mdpi.com/1996-1073/10/9/1437/xml |
| article xml uploaded. | 19 September 2017 12:54 CEST | Original file | - |
| article pdf uploaded. | 19 September 2017 12:54 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1437/pdf |
| article pdf uploaded. | 18 September 2017 12:59 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1437/pdf-vor |
