| article html file updated | 6 February 2020 22:19 CET | Update | https://www.mdpi.com/1422-0067/16/9/20674 |
| article html file updated | 6 May 2019 12:21 CEST | Update | N/A |
| article html file updated | 26 March 2019 09:48 CET | Update | N/A |
| article html file updated | 14 October 2015 13:01 CEST | Original file | N/A |
| article xml file uploaded | 14 October 2015 13:01 CEST | Original file | https://www.mdpi.com/1422-0067/16/9/20674/xml |
| article pdf uploaded. | 31 August 2015 14:29 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/9/20674/pdf |
