| article html file updated | 7 February 2020 01:20 CET | Update | https://www.mdpi.com/1422-8599/2015/4/M878 |
| article html file updated | 21 September 2019 06:41 CEST | Update | - |
| article html file updated | 6 May 2019 06:43 CEST | Update | - |
| article html file updated | 26 March 2019 15:03 CET | Update | - |
| article html file updated | 27 October 2017 08:19 CEST | Update | - |
| article html file updated | 22 September 2017 09:10 CEST | Update | - |
| article xml uploaded. | 22 September 2017 09:08 CEST | Original file | https://www.mdpi.com/1422-8599/2015/4/M878/xml |
| article html file updated | 24 November 2016 22:44 CET | Original file | - |
| article pdf uploaded. | 24 November 2015 14:55 CET | Version of Record | https://www.mdpi.com/1422-8599/2015/4/M878/pdf |
