| article html file updated | 7 February 2020 19:35 CET | Update | https://www.mdpi.com/2227-9032/4/4/92 |
| article html file updated | 22 September 2019 11:18 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:19 CEST | Update | N/A |
| article html file updated | 29 December 2016 11:51 CET | Update | N/A |
| article html file updated | 14 December 2016 09:18 CET | Original file | N/A |
| article xml uploaded. | 14 December 2016 09:17 CET | Original file | https://www.mdpi.com/2227-9032/4/4/92/xml |
| article pdf uploaded. | 14 December 2016 09:17 CET | Version of Record | https://www.mdpi.com/2227-9032/4/4/92/pdf |
