| article html file updated | 6 February 2020 13:48 CET | Update | https://www.mdpi.com/2304-6767/2/4/106 |
| article html file updated | 7 May 2019 05:12 CEST | Update | N/A |
| article html file updated | 25 March 2019 18:02 CET | Update | N/A |
| article html file updated | 21 August 2015 02:24 CEST | Update | N/A |
| article html file updated | 24 November 2014 08:51 CET | Original file | N/A |
| article xml file uploaded | 24 November 2014 08:51 CET | Original file | https://www.mdpi.com/2304-6767/2/4/106/xml |
| article pdf uploaded. | 20 November 2014 11:06 CET | Version of Record | https://www.mdpi.com/2304-6767/2/4/106/pdf |
