| article html file updated | 6 February 2020 17:56 CET | Update | https://www.mdpi.com/1422-0067/16/4/9017 |
| article html file updated | 6 May 2019 21:26 CEST | Update | - |
| article html file updated | 26 March 2019 01:09 CET | Update | - |
| article html file updated | 21 August 2015 10:59 CEST | Update | - |
| article html file updated | 7 May 2015 12:06 CEST | Original file | - |
| article xml file uploaded | 7 May 2015 12:06 CEST | Original file | https://www.mdpi.com/1422-0067/16/4/9017/xml |
| article pdf uploaded. | 22 April 2015 14:42 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/4/9017/pdf |
