| article html file updated | 5 February 2020 23:16 CET | Update | https://www.mdpi.com/2079-4991/2/4/445 |
| article html file updated | 8 May 2019 11:26 CEST | Update | - |
| article html file updated | 20 March 2019 15:37 CET | Update | - |
| article html file updated | 16 February 2017 03:51 CET | Update | - |
| article html file updated | 17 June 2015 04:37 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/2079-4991/2/4/445/xml |
| article html file updated | 7 February 2013 17:14 CET | Update | - |
| article html file updated | 24 January 2013 10:28 CET | Original file | - |
