| article html file updated | 6 February 2020 07:16 CET | Update | https://www.mdpi.com/2072-6643/6/2/682 |
| article html file updated | 7 May 2019 18:39 CEST | Update | - |
| article html file updated | 21 March 2019 12:20 CET | Update | - |
| article html file updated | 19 August 2015 20:26 CEST | Update | - |
| article html file updated | 18 March 2014 09:56 CET | Original file | - |
| article xml file uploaded | 18 March 2014 09:55 CET | Original file | https://www.mdpi.com/2072-6643/6/2/682/xml |
| article pdf uploaded. | 14 February 2014 15:49 CET | Version of Record | https://www.mdpi.com/2072-6643/6/2/682/pdf |
