| article html file updated | 7 February 2020 08:00 CET | Update | https://www.mdpi.com/1999-4907/7/5/98 |
| article html file updated | 5 May 2019 17:09 CEST | Update | - |
| article html file updated | 27 March 2019 03:23 CET | Update | - |
| article html file updated | 27 May 2016 12:05 CEST | Update | - |
| article html file updated | 29 April 2016 12:03 CEST | Original file | - |
| article xml uploaded. | 29 April 2016 12:01 CEST | Update | https://www.mdpi.com/1999-4907/7/5/98/xml |
| article pdf uploaded. | 29 April 2016 12:01 CEST | Version of Record | https://www.mdpi.com/1999-4907/7/5/98/pdf |
