| article html file updated | 6 February 2020 22:26 CET | Update | https://www.mdpi.com/1422-0067/16/9/21109 |
| article html file updated | 6 May 2019 12:05 CEST | Update | N/A |
| article html file updated | 26 March 2019 10:03 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/1422-0067/16/9/21109/xml |
| article pdf uploaded. | 3 September 2015 10:48 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/9/21109/pdf |
