| article html file updated | 6 February 2020 22:12 CET | Update | https://www.mdpi.com/1422-0067/16/9/20417 |
| article html file updated | 6 May 2019 12:35 CEST | Update | - |
| article html file updated | 26 March 2019 09:36 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/1422-0067/16/9/20417/xml |
| article pdf uploaded. | 7 September 2015 08:25 CEST | Updated version of record | https://www.mdpi.com/1422-0067/16/9/20417/pdf |
| article pdf uploaded. | 28 August 2015 09:34 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/9/20417/pdf-vor |
