| article html file updated | 8 February 2020 15:53 CET | Update | https://www.mdpi.com/1996-1073/10/9/1377 |
| article html file updated | 27 September 2019 01:50 CEST | Update | - |
| article html file updated | 3 May 2019 02:31 CEST | Update | - |
| article html file updated | 30 September 2017 08:08 CEST | Update | - |
| article html file updated | 11 September 2017 15:44 CEST | Original file | - |
| article xml uploaded. | 11 September 2017 15:43 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1377/xml |
| article pdf uploaded. | 11 September 2017 15:43 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1377/pdf |
