| article html file updated | 7 February 2020 01:16 CET | Update | https://www.mdpi.com/1422-8599/2015/4/M875 |
| article html file updated | 6 May 2019 06:48 CEST | Update | - |
| article html file updated | 26 March 2019 14:59 CET | Update | - |
| article html file updated | 27 October 2017 08:19 CEST | Update | - |
| article html file updated | 22 September 2017 09:05 CEST | Update | - |
| article xml uploaded. | 22 September 2017 09:04 CEST | Original file | https://www.mdpi.com/1422-8599/2015/4/M875/xml |
| article html file updated | 24 November 2016 22:44 CET | Original file | - |
| article pdf uploaded. | 23 November 2015 14:52 CET | Updated version of record | https://www.mdpi.com/1422-8599/2015/4/M875/pdf |
| article pdf uploaded. | 23 November 2015 11:02 CET | Version of Record | - |
