| article html file updated | 6 February 2020 08:02 CET | Update | https://www.mdpi.com/1660-3397/12/3/1623 |
| article html file updated | 7 May 2019 17:04 CEST | Update | - |
| article html file updated | 21 March 2019 14:11 CET | Update | - |
| article html file updated | 20 August 2015 00:31 CEST | Update | - |
| article html file updated | 28 April 2014 10:53 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 10:53 CEST | Original file | https://www.mdpi.com/1660-3397/12/3/1623/xml |
| article pdf uploaded. | 20 March 2014 11:38 CET | Version of Record | https://www.mdpi.com/1660-3397/12/3/1623/pdf |
