| article html file updated | 8 February 2020 09:45 CET | Update | https://www.mdpi.com/1999-4907/8/7/233 |
| article html file updated | 25 September 2019 16:15 CEST | Update | - |
| article html file updated | 3 May 2019 14:43 CEST | Update | - |
| article html file updated | 1 August 2017 08:42 CEST | Update | - |
| article html file updated | 30 June 2017 14:04 CEST | Original file | - |
| article xml uploaded. | 30 June 2017 14:03 CEST | Original file | https://www.mdpi.com/1999-4907/8/7/233/xml |
| article pdf uploaded. | 30 June 2017 14:03 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/7/233/pdf |
