| article html file updated | 8 February 2020 10:05 CET | Update | https://www.mdpi.com/1999-4907/8/7/238 |
| article html file updated | 25 September 2019 18:09 CEST | Update | - |
| article html file updated | 3 May 2019 14:04 CEST | Update | - |
| article html file updated | 1 August 2017 08:43 CEST | Update | - |
| article html file updated | 4 July 2017 14:29 CEST | Original file | - |
| article xml uploaded. | 4 July 2017 14:28 CEST | Update | https://www.mdpi.com/1999-4907/8/7/238/xml |
| article pdf uploaded. | 4 July 2017 14:23 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/7/238/pdf |
