| article html file updated | 7 February 2020 17:37 CET | Update | https://www.mdpi.com/2227-9032/4/4/82 |
| article html file updated | 22 September 2019 04:53 CEST | Update | N/A |
| article html file updated | 4 May 2019 23:18 CEST | Update | N/A |
| article html file updated | 29 December 2016 11:50 CET | Update | N/A |
| article html file updated | 7 November 2016 09:39 CET | Original file | N/A |
| article xml uploaded. | 7 November 2016 09:38 CET | Original file | https://www.mdpi.com/2227-9032/4/4/82/xml |
| article pdf uploaded. | 7 November 2016 09:38 CET | Version of Record | https://www.mdpi.com/2227-9032/4/4/82/pdf |
