| article html file updated | 6 February 2020 12:26 CET | Update | https://www.mdpi.com/2072-6643/6/9/3913 |
| article html file updated | 7 May 2019 07:53 CEST | Update | - |
| article html file updated | 22 March 2019 01:28 CET | Update | - |
| article html file updated | 20 August 2015 20:46 CEST | Update | - |
| article html file updated | 30 September 2014 06:01 CEST | Original file | - |
| article xml file uploaded | 30 September 2014 06:01 CEST | Original file | https://www.mdpi.com/2072-6643/6/9/3913/xml |
| article pdf uploaded. | 24 September 2014 12:52 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/9/3913/pdf |
