| article html file updated | 6 February 2020 19:23 CET | Update | https://www.mdpi.com/2072-6643/7/6/4526 |
| article html file updated | 6 May 2019 18:23 CEST | Update | - |
| article html file updated | 26 March 2019 04:11 CET | Update | - |
| article html file updated | 21 August 2015 13:11 CEST | Update | - |
| article html file updated | 2 July 2015 10:14 CEST | Original file | - |
| article xml file uploaded | 2 July 2015 10:14 CEST | Original file | https://www.mdpi.com/2072-6643/7/6/4526/xml |
| article pdf uploaded. | 5 June 2015 09:27 CEST | Version of Record | https://www.mdpi.com/2072-6643/7/6/4526/pdf |
