| article html file updated | 6 February 2020 11:39 CET | Update | https://www.mdpi.com/2072-6643/6/8/3274 |
| article html file updated | 20 September 2019 11:57 CEST | Update | - |
| article html file updated | 7 May 2019 09:21 CEST | Update | - |
| article html file updated | 21 March 2019 23:31 CET | Update | - |
| article html file updated | 20 August 2015 16:07 CEST | Update | - |
| article html file updated | 27 August 2014 12:30 CEST | Original file | - |
| article xml file uploaded | 27 August 2014 12:30 CEST | Original file | https://www.mdpi.com/2072-6643/6/8/3274/xml |
| article pdf uploaded. | 21 August 2014 10:53 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/8/3274/pdf |
