| article html file updated | 8 February 2020 09:58 CET | Update | https://www.mdpi.com/1999-4907/8/7/236 |
| article html file updated | 25 September 2019 17:36 CEST | Update | N/A |
| article html file updated | 3 May 2019 14:16 CEST | Update | N/A |
| article html file updated | 1 August 2017 08:43 CEST | Update | N/A |
| article html file updated | 3 July 2017 13:59 CEST | Original file | N/A |
| article xml uploaded. | 3 July 2017 13:58 CEST | Original file | https://www.mdpi.com/1999-4907/8/7/236/xml |
| article pdf uploaded. | 3 July 2017 13:58 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/7/236/pdf |
