| article html file updated | 8 February 2020 09:46 CET | Update | https://www.mdpi.com/1996-1073/10/7/878 |
| article html file updated | 25 September 2019 16:21 CEST | Update | - |
| article html file updated | 3 May 2019 14:40 CEST | Update | - |
| article html file updated | 31 July 2017 06:53 CEST | Update | - |
| article html file updated | 30 June 2017 16:02 CEST | Original file | - |
| article xml uploaded. | 30 June 2017 16:01 CEST | Update | https://www.mdpi.com/1996-1073/10/7/878/xml |
| article pdf uploaded. | 30 June 2017 16:01 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/878/pdf |
