| article html file updated | 6 February 2020 04:22 CET | Update | https://www.mdpi.com/2072-6643/5/9/3617 |
| article html file updated | 20 September 2019 01:03 CEST | Update | - |
| article html file updated | 8 May 2019 00:28 CEST | Update | - |
| article html file updated | 21 March 2019 04:33 CET | Update | - |
| article html file updated | 17 June 2015 13:13 CEST | Update | - |
| article html file updated | 25 October 2013 09:59 CEST | Original file | - |
| article xml file uploaded | 25 October 2013 09:59 CEST | Original file | https://www.mdpi.com/2072-6643/5/9/3617/xml |
| article pdf uploaded. | 13 September 2013 14:19 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/9/3617/pdf |
