| article html file updated | 6 February 2020 19:32 CET | Update | https://www.mdpi.com/2072-6643/7/6/4689 |
| article html file updated | 6 May 2019 18:05 CEST | Update | - |
| article html file updated | 26 March 2019 04:28 CET | Update | - |
| article html file updated | 21 August 2015 13:24 CEST | Update | - |
| article html file updated | 2 July 2015 10:14 CEST | Update | - |
| article xml file uploaded | 2 July 2015 10:14 CEST | Update | https://www.mdpi.com/2072-6643/7/6/4689/xml |
| article html file updated | 25 June 2015 12:09 CEST | Original file | - |
| article xml file uploaded | 25 June 2015 12:09 CEST | Original file | - |
| article pdf uploaded. | 9 June 2015 16:19 CEST | Version of Record | https://www.mdpi.com/2072-6643/7/6/4689/pdf |
