| article html file updated | 5 February 2020 23:31 CET | Update | https://www.mdpi.com/1999-4915/4/12/3851 |
| article html file updated | 8 May 2019 10:53 CEST | Update | N/A |
| article html file updated | 20 March 2019 16:07 CET | Update | N/A |
| article html file updated | 17 June 2015 04:55 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/1999-4915/4/12/3851/xml |
| article html file updated | 7 February 2013 17:32 CET | Update | N/A |
| article html file updated | 24 January 2013 11:25 CET | Original file | N/A |
