| article html file updated | 5 February 2020 23:46 CET | Update | https://www.mdpi.com/2076-328X/3/1/42 |
| article html file updated | 19 September 2019 16:36 CEST | Update | N/A |
| article html file updated | 8 May 2019 10:20 CEST | Update | N/A |
| article html file updated | 20 March 2019 16:40 CET | Update | N/A |
| article html file updated | 17 June 2015 05:11 CEST | Update | N/A |
| article html file updated | 26 August 2014 03:57 CEST | Update | N/A |
| article xml file uploaded | 26 August 2014 03:57 CEST | Original file | https://www.mdpi.com/2076-328X/3/1/42/xml |
| article html file updated | 8 February 2013 09:22 CET | Update | N/A |
| article html file updated | 7 February 2013 17:41 CET | Update | N/A |
| article html file updated | 24 January 2013 11:53 CET | Original file | N/A |
