| article html file updated | 24 December 2025 13:28 CET | Update | https://www.mdpi.com/2078-1547/3/2/70 |
| article html file updated | 28 September 2025 19:10 CEST | Update | - |
| article html file updated | 5 February 2020 21:02 CET | Update | - |
| article html file updated | 8 May 2019 16:46 CEST | Update | - |
| article html file updated | 25 March 2019 12:31 CET | Update | - |
| article html file updated | 17 June 2015 00:51 CEST | Update | - |
| article html file updated | 7 February 2013 13:22 CET | Update | - |
| article html file updated | 7 February 2013 03:16 CET | Update | - |
| article html file updated | 6 February 2013 08:40 CET | Update | - |
| article html file updated | 29 January 2013 05:09 CET | Update | - |
| article html file updated | 26 January 2013 11:49 CET | Update | - |
| article html file updated | 23 January 2013 21:23 CET | Original file | - |
