| article html file updated | 5 February 2020 14:57 CET | Update | https://www.mdpi.com/2072-6694/2/3/1441 |
| article html file updated | 9 May 2019 05:27 CEST | Update | - |
| article html file updated | 20 March 2019 01:35 CET | Update | - |
| article html file updated | 16 June 2015 10:42 CEST | Update | - |
| article html file updated | 22 November 2013 11:28 CET | Original file | - |
| article xml file uploaded | 22 November 2013 11:28 CET | Original file | https://www.mdpi.com/2072-6694/2/3/1441/xml |
