| article html file updated | 8 February 2020 10:05 CET | Update | https://www.mdpi.com/1996-1073/10/7/920 |
| article html file updated | 25 September 2019 18:11 CEST | Update | - |
| article html file updated | 3 May 2019 14:03 CEST | Update | - |
| article html file updated | 31 July 2017 07:01 CEST | Update | - |
| article html file updated | 4 July 2017 14:45 CEST | Original file | - |
| article xml uploaded. | 4 July 2017 14:43 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/920/xml |
| article pdf uploaded. | 4 July 2017 14:43 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/920/pdf |
