| article html file updated | 6 February 2020 18:57 CET | Update | https://www.mdpi.com/2079-4983/6/2/318 |
| article html file updated | 20 September 2019 21:49 CEST | Update | - |
| article html file updated | 6 May 2019 19:21 CEST | Update | - |
| article html file updated | 26 March 2019 03:20 CET | Update | - |
| article html file updated | 11 December 2018 09:08 CET | Update | - |
| article html file updated | 21 August 2015 12:34 CEST | Update | - |
| article html file updated | 8 July 2015 09:58 CEST | Original file | - |
| article xml file uploaded | 8 July 2015 09:58 CEST | Original file | https://www.mdpi.com/2079-4983/6/2/318/xml |
| article pdf uploaded. | 25 May 2015 11:57 CEST | Version of Record | https://www.mdpi.com/2079-4983/6/2/318/pdf |
