| article html file updated | 6 February 2020 14:38 CET | Update | https://www.mdpi.com/2072-6643/6/12/5992 |
| article html file updated | 7 May 2019 03:36 CEST | Update | - |
| article html file updated | 25 March 2019 19:36 CET | Update | - |
| article html file updated | 21 August 2015 04:33 CEST | Update | - |
| article html file updated | 26 December 2014 11:31 CET | Original file | - |
| article xml file uploaded | 26 December 2014 11:31 CET | Original file | https://www.mdpi.com/2072-6643/6/12/5992/xml |
| article pdf uploaded. | 22 December 2014 10:29 CET | Version of Record | https://www.mdpi.com/2072-6643/6/12/5992/pdf |
