| article html file updated | 6 February 2020 13:49 CET | Update | https://www.mdpi.com/2077-0383/3/4/1322 |
| article html file updated | 7 May 2019 05:11 CEST | Update | - |
| article html file updated | 25 March 2019 18:04 CET | Update | - |
| article html file updated | 21 August 2015 02:25 CEST | Update | - |
| article html file updated | 25 June 2015 12:08 CEST | Update | - |
| article xml file uploaded | 25 June 2015 12:08 CEST | Update | https://www.mdpi.com/2077-0383/3/4/1322/xml |
| article html file updated | 14 January 2015 05:17 CET | Original file | - |
| article xml file uploaded | 14 January 2015 05:17 CET | Original file | - |
| article pdf uploaded. | 20 November 2014 12:45 CET | Version of Record | https://www.mdpi.com/2077-0383/3/4/1322/pdf |
