| article html file updated | 8 February 2020 10:12 CET | Update | https://www.mdpi.com/1999-4907/8/7/239 |
| article html file updated | 25 September 2019 18:42 CEST | Update | N/A |
| article html file updated | 3 May 2019 13:51 CEST | Update | N/A |
| article html file updated | 1 August 2017 08:43 CEST | Update | N/A |
| article html file updated | 5 July 2017 14:20 CEST | Original file | N/A |
| article xml uploaded. | 5 July 2017 14:19 CEST | Update | https://www.mdpi.com/1999-4907/8/7/239/xml |
| article pdf uploaded. | 5 July 2017 14:19 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/7/239/pdf |
