| article html file updated | 5 February 2020 19:19 CET | Update | https://www.mdpi.com/1660-3397/10/2/329 |
| article html file updated | 8 May 2019 20:35 CEST | Update | N/A |
| article html file updated | 25 March 2019 09:09 CET | Update | N/A |
| article html file updated | 16 June 2015 21:30 CEST | Update | N/A |
| article html file updated | 7 February 2013 10:10 CET | Update | N/A |
| article html file updated | 7 February 2013 00:33 CET | Update | N/A |
| article html file updated | 6 February 2013 05:51 CET | Update | N/A |
| article html file updated | 29 January 2013 01:35 CET | Update | N/A |
| article html file updated | 26 January 2013 07:54 CET | Update | N/A |
| article html file updated | 23 January 2013 09:06 CET | Original file | N/A |
