| article html file updated | 5 February 2020 20:57 CET | Update | https://www.mdpi.com/2073-4409/1/3/248 |
| article html file updated | 19 September 2019 11:27 CEST | Update | - |
| article html file updated | 8 May 2019 16:58 CEST | Update | - |
| article html file updated | 25 March 2019 12:21 CET | Update | - |
| article html file updated | 17 June 2015 00:42 CEST | Update | - |
| article html file updated | 30 August 2013 09:04 CEST | Update | - |
| article xml file uploaded | 30 August 2013 09:04 CEST | Original file | https://www.mdpi.com/2073-4409/1/3/248/xml |
| article html file updated | 7 February 2013 13:11 CET | Update | - |
| article html file updated | 7 February 2013 03:03 CET | Update | - |
| article html file updated | 6 February 2013 08:30 CET | Update | - |
| article html file updated | 29 January 2013 04:59 CET | Update | - |
| article html file updated | 26 January 2013 11:37 CET | Update | - |
| article html file updated | 23 January 2013 20:55 CET | Original file | - |
