| article html file updated | 7 February 2020 07:20 CET | Update | https://www.mdpi.com/1999-4907/7/4/83 |
| article html file updated | 5 May 2019 18:30 CEST | Update | - |
| article html file updated | 27 March 2019 02:00 CET | Update | - |
| article html file updated | 28 April 2016 12:22 CEST | Update | - |
| article html file updated | 15 April 2016 11:50 CEST | Original file | - |
| article xml uploaded. | 15 April 2016 11:49 CEST | Original file | https://www.mdpi.com/1999-4907/7/4/83/xml |
| article pdf uploaded. | 15 April 2016 11:49 CEST | Version of Record | https://www.mdpi.com/1999-4907/7/4/83/pdf |
