| article html file updated | 8 February 2020 08:08 CET | Update | https://www.mdpi.com/1996-1073/10/6/798 |
| article html file updated | 25 September 2019 07:37 CEST | Update | - |
| article html file updated | 3 May 2019 17:44 CEST | Update | - |
| article html file updated | 27 June 2017 10:19 CEST | Update | - |
| article html file updated | 13 June 2017 09:18 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 09:17 CEST | Update | https://www.mdpi.com/1996-1073/10/6/798/xml |
| article pdf uploaded. | 13 June 2017 09:17 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/798/pdf |
