| article html file updated | 6 February 2020 08:19 CET | Update | https://www.mdpi.com/2073-4468/3/2/182 |
| article html file updated | 7 May 2019 16:29 CEST | Update | - |
| article html file updated | 21 March 2019 14:51 CET | Update | - |
| article html file updated | 20 August 2015 01:59 CEST | Update | - |
| article html file updated | 27 November 2014 04:17 CET | Original file | - |
| article xml file uploaded | 27 November 2014 04:17 CET | Original file | https://www.mdpi.com/2073-4468/3/2/182/xml |
| article pdf uploaded. | 2 April 2014 11:04 CEST | Version of Record | https://www.mdpi.com/2073-4468/3/2/182/pdf |
