| article html file updated | 8 February 2020 09:00 CET | Update | https://www.mdpi.com/1996-1073/10/7/831 |
| article html file updated | 25 September 2019 12:11 CEST | Update | - |
| article html file updated | 3 May 2019 16:06 CEST | Update | - |
| article html file updated | 31 July 2017 07:31 CEST | Update | - |
| article html file updated | 22 June 2017 12:55 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 12:53 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/831/xml |
| article pdf uploaded. | 22 June 2017 12:53 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/831/pdf |
