| article html file updated | 6 February 2020 18:19 CET | Update | https://www.mdpi.com/2079-4991/5/2/737 |
| article html file updated | 6 May 2019 20:40 CEST | Update | - |
| article html file updated | 26 March 2019 01:57 CET | Update | - |
| article html file updated | 16 February 2017 04:14 CET | Update | - |
| article html file updated | 21 August 2015 11:36 CEST | Update | - |
| article html file updated | 7 July 2015 12:52 CEST | Original file | - |
| article xml file uploaded | 7 July 2015 12:52 CEST | Original file | https://www.mdpi.com/2079-4991/5/2/737/xml |
| article pdf uploaded. | 19 May 2015 15:39 CEST | Updated version of record | https://www.mdpi.com/2079-4991/5/2/737/pdf |
| article pdf uploaded. | 5 May 2015 11:28 CEST | Version of Record | https://www.mdpi.com/2079-4991/5/2/737/pdf-vor |
