| article html file updated | 5 February 2020 23:48 CET | Update | https://www.mdpi.com/1422-0067/14/1/920 |
| article html file updated | 8 May 2019 10:16 CEST | Update | - |
| article html file updated | 20 March 2019 16:45 CET | Update | - |
| article html file updated | 17 June 2015 05:13 CEST | Update | - |
| article html file updated | 8 February 2013 12:18 CET | Original file | - |
| article xml file uploaded | 8 February 2013 12:18 CET | Original file | https://www.mdpi.com/1422-0067/14/1/920/xml |
