| article html file updated | 16 June 2015 04:18 CEST | Update | https://www.mdpi.com/1424-8220/8/5/3542 |
| article html file updated | 10 June 2013 11:40 CEST | Original file | N/A |
| article xml file uploaded | 10 June 2013 11:40 CEST | Original file | https://www.mdpi.com/1424-8220/8/5/3542/xml |
