| article html file updated | 8 February 2020 10:23 CET | Update | https://www.mdpi.com/1999-4907/8/7/241 |
| article html file updated | 25 September 2019 19:28 CEST | Update | N/A |
| article html file updated | 3 May 2019 13:34 CEST | Update | N/A |
| article html file updated | 1 August 2017 08:44 CEST | Update | N/A |
| article html file updated | 11 July 2017 10:30 CEST | Original file | N/A |
| article xml uploaded. | 11 July 2017 10:28 CEST | Update | https://www.mdpi.com/1999-4907/8/7/241/xml |
| article pdf uploaded. | 11 July 2017 10:28 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/7/241/pdf |
| article pdf uploaded. | 7 July 2017 10:45 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/7/241/pdf-vor |
