| article html file updated | 6 February 2020 17:44 CET | Update | https://www.mdpi.com/1422-0067/16/4/8569 |
| article html file updated | 6 May 2019 21:49 CEST | Update | - |
| article html file updated | 26 March 2019 00:47 CET | Update | - |
| article html file updated | 21 August 2015 10:38 CEST | Update | - |
| article html file updated | 7 May 2015 12:05 CEST | Original file | - |
| article xml file uploaded | 7 May 2015 12:05 CEST | Original file | https://www.mdpi.com/1422-0067/16/4/8569/xml |
| article pdf uploaded. | 20 April 2015 09:50 CEST | Updated version of record | https://www.mdpi.com/1422-0067/16/4/8569/pdf |
| article pdf uploaded. | 16 April 2015 13:47 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/4/8569/pdf-vor |
