| article html file updated | 6 February 2020 10:44 CET | Update | https://www.mdpi.com/2227-9032/2/3/253 |
| article html file updated | 7 May 2019 11:35 CEST | Update | N/A |
| article html file updated | 21 March 2019 20:57 CET | Update | N/A |
| article html file updated | 18 May 2016 05:48 CEST | Update | N/A |
| article html file updated | 20 August 2015 12:51 CEST | Update | N/A |
| article html file updated | 3 September 2014 12:52 CEST | Original file | N/A |
| article xml file uploaded | 3 September 2014 12:52 CEST | Original file | https://www.mdpi.com/2227-9032/2/3/253/xml |
| article pdf uploaded. | 15 July 2014 14:50 CEST | Version of Record | https://www.mdpi.com/2227-9032/2/3/253/pdf |
