| article html file updated | 6 February 2020 05:57 CET | Update | https://www.mdpi.com/2072-6643/5/12/4924 |
| article html file updated | 7 May 2019 21:19 CEST | Update | N/A |
| article html file updated | 21 March 2019 08:45 CET | Update | N/A |
| article html file updated | 19 August 2015 12:14 CEST | Update | N/A |
| article html file updated | 7 January 2014 12:38 CET | Original file | N/A |
| article xml file uploaded | 7 January 2014 12:38 CET | Original file | https://www.mdpi.com/2072-6643/5/12/4924/xml |
| article pdf uploaded. | 4 December 2013 09:56 CET | Version of Record | https://www.mdpi.com/2072-6643/5/12/4924/pdf |
