| article html file updated | 5 February 2020 23:59 CET | Update | https://www.mdpi.com/2071-1050/5/1/207 |
| article html file updated | 12 September 2019 07:01 CEST | Update | N/A |
| article html file updated | 12 September 2019 04:33 CEST | Update | N/A |
| article html file updated | 11 September 2019 21:18 CEST | Update | N/A |
| article html file updated | 8 May 2019 09:50 CEST | Update | N/A |
| article html file updated | 20 March 2019 17:11 CET | Update | N/A |
| article html file updated | 17 June 2015 05:31 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/2071-1050/5/1/207/xml |
| article html file updated | 8 February 2013 09:30 CET | Update | N/A |
| article html file updated | 7 February 2013 17:49 CET | Update | N/A |
| article html file updated | 24 January 2013 12:17 CET | Original file | N/A |
