| article html file updated | 5 February 2020 11:42 CET | Update | https://www.mdpi.com/1422-0067/10/1/147 |
| article html file updated | 9 May 2019 12:54 CEST | Update | N/A |
| article html file updated | 19 March 2019 17:01 CET | Update | N/A |
| article html file updated | 16 June 2015 05:23 CEST | Update | N/A |
| article html file updated | 6 February 2013 14:21 CET | Update | N/A |
| article html file updated | 5 February 2013 18:12 CET | Update | N/A |
| article html file updated | 28 January 2013 16:11 CET | Update | N/A |
| article html file updated | 25 January 2013 17:50 CET | Update | N/A |
| article html file updated | 21 January 2013 11:13 CET | Update | N/A |
| article html file updated | 18 January 2013 20:28 CET | Update | N/A |
| article html file updated | 17 January 2013 18:55 CET | Original file | N/A |
