| article html file updated | 6 February 2020 00:42 CET | Update | https://www.mdpi.com/2073-4468/2/1/113 |
| article html file updated | 8 May 2019 08:04 CEST | Update | - |
| article html file updated | 20 March 2019 19:01 CET | Update | - |
| article html file updated | 17 June 2015 06:52 CEST | Update | - |
| article html file updated | 24 November 2014 10:50 CET | Original file | - |
| article xml file uploaded | 24 November 2014 10:50 CET | Original file | https://www.mdpi.com/2073-4468/2/1/113/xml |
| article pdf uploaded. | 27 February 2013 08:21 CET | Version of Record | https://www.mdpi.com/2073-4468/2/1/113/pdf |
