| article html file updated | 5 February 2020 20:03 CET | Update | https://www.mdpi.com/2073-4425/3/2/261 |
| article html file updated | 8 May 2019 18:56 CEST | Update | N/A |
| article html file updated | 25 March 2019 10:29 CET | Update | N/A |
| article html file updated | 16 June 2015 23:09 CEST | Update | N/A |
| article html file updated | 17 February 2014 10:47 CET | Update | N/A |
| article xml file uploaded | 17 February 2014 10:47 CET | Original file | https://www.mdpi.com/2073-4425/3/2/261/xml |
| article html file updated | 7 February 2013 11:42 CET | Update | N/A |
| article html file updated | 7 February 2013 01:42 CET | Update | N/A |
| article html file updated | 6 February 2013 07:08 CET | Update | N/A |
| article html file updated | 29 January 2013 02:46 CET | Update | N/A |
| article html file updated | 26 January 2013 09:39 CET | Update | N/A |
| article html file updated | 23 January 2013 15:07 CET | Original file | N/A |
