| article html file updated | 6 February 2020 08:06 CET | Update | https://www.mdpi.com/2072-6643/6/3/1223 |
| article html file updated | 7 May 2019 16:56 CEST | Update | - |
| article html file updated | 21 March 2019 14:20 CET | Update | - |
| article html file updated | 20 August 2015 00:44 CEST | Update | - |
| article html file updated | 28 April 2014 10:57 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 10:57 CEST | Original file | https://www.mdpi.com/2072-6643/6/3/1223/xml |
| article pdf uploaded. | 24 March 2014 09:00 CET | Version of Record | https://www.mdpi.com/2072-6643/6/3/1223/pdf |
