| article html file updated | 6 February 2020 07:55 CET | Update | https://www.mdpi.com/1422-0067/15/3/4531 |
| article html file updated | 7 May 2019 17:18 CEST | Update | - |
| article html file updated | 21 March 2019 13:54 CET | Update | - |
| article html file updated | 19 August 2015 23:47 CEST | Update | - |
| article html file updated | 8 April 2014 10:55 CEST | Original file | - |
| article xml file uploaded | 8 April 2014 10:54 CEST | Original file | https://www.mdpi.com/1422-0067/15/3/4531/xml |
| article pdf uploaded. | 18 March 2014 11:51 CET | Updated version of record | https://www.mdpi.com/1422-0067/15/3/4531/pdf |
| article pdf uploaded. | 14 March 2014 11:30 CET | Version of Record | https://www.mdpi.com/1422-0067/15/3/4531/pdf-vor |
