| article html file updated | 6 February 2020 13:09 CET | Update | https://www.mdpi.com/2076-393X/2/4/772 |
| article html file updated | 7 May 2019 06:30 CEST | Update | - |
| article html file updated | 25 March 2019 16:35 CET | Update | - |
| article html file updated | 21 August 2015 00:28 CEST | Update | - |
| article html file updated | 14 January 2015 05:18 CET | Original file | - |
| article xml file uploaded | 14 January 2015 05:18 CET | Original file | https://www.mdpi.com/2076-393X/2/4/772/xml |
| article pdf uploaded. | 27 October 2014 11:39 CET | Version of Record | https://www.mdpi.com/2076-393X/2/4/772/pdf |
