| article html file updated | 5 February 2020 14:14 CET | Update | https://www.mdpi.com/1424-8247/3/4/1122 |
| article html file updated | 9 May 2019 06:59 CEST | Update | N/A |
| article html file updated | 19 March 2019 23:46 CET | Update | N/A |
| article html file updated | 16 June 2015 09:20 CEST | Update | N/A |
| article html file updated | 5 June 2014 08:54 CEST | Original file | N/A |
| article xml file uploaded | 5 June 2014 08:54 CEST | Original file | https://www.mdpi.com/1424-8247/3/4/1122/xml |
