| article html file updated | 6 February 2020 22:20 CET | Update | https://www.mdpi.com/1422-0067/16/9/20859 |
| article html file updated | 6 May 2019 12:18 CEST | Update | - |
| article html file updated | 26 March 2019 09:51 CET | Update | - |
| article html file updated | 14 October 2015 13:01 CEST | Original file | - |
| article xml file uploaded | 14 October 2015 13:01 CEST | Original file | https://www.mdpi.com/1422-0067/16/9/20859/xml |
| article pdf uploaded. | 1 September 2015 09:15 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/9/20859/pdf |
