| article html file updated | 8 February 2020 07:54 CET | Update | https://www.mdpi.com/1996-1073/10/6/791 |
| article html file updated | 25 September 2019 06:24 CEST | Update | - |
| article html file updated | 3 May 2019 18:11 CEST | Update | - |
| article html file updated | 27 June 2017 10:17 CEST | Update | - |
| article html file updated | 9 June 2017 13:07 CEST | Original file | - |
| article xml uploaded. | 9 June 2017 13:05 CEST | Original file | https://www.mdpi.com/1996-1073/10/6/791/xml |
| article pdf uploaded. | 9 June 2017 13:05 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/791/pdf |
