| article html file updated | 7 February 2020 07:00 CET | Update | https://www.mdpi.com/1999-4907/7/4/82 |
| article html file updated | 5 May 2019 19:12 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:23 CET | Update | N/A |
| article html file updated | 28 April 2016 12:22 CEST | Update | N/A |
| article html file updated | 8 April 2016 14:42 CEST | Original file | N/A |
| article xml uploaded. | 8 April 2016 14:41 CEST | Original file | https://www.mdpi.com/1999-4907/7/4/82/xml |
| article pdf uploaded. | 8 April 2016 14:41 CEST | Version of Record | https://www.mdpi.com/1999-4907/7/4/82/pdf |
