| article html file updated | 5 February 2020 15:08 CET | Update | https://www.mdpi.com/1424-8247/3/8/2426 |
| article html file updated | 9 May 2019 05:05 CEST | Update | N/A |
| article html file updated | 20 March 2019 02:07 CET | Update | N/A |
| article html file updated | 16 June 2015 11:03 CEST | Update | N/A |
| article html file updated | 5 June 2014 09:25 CEST | Original file | N/A |
| article xml file uploaded | 5 June 2014 09:24 CEST | Original file | https://www.mdpi.com/1424-8247/3/8/2426/xml |
