| article html file updated | 7 February 2020 15:24 CET | Update | https://www.mdpi.com/1422-8599/2016/4/M909 |
| article html file updated | 22 September 2019 01:26 CEST | Update | - |
| article html file updated | 5 May 2019 03:22 CEST | Update | - |
| article html file updated | 27 October 2017 08:21 CEST | Update | - |
| article html file updated | 26 September 2017 08:09 CEST | Update | - |
| article xml uploaded. | 26 September 2017 08:08 CEST | Update | https://www.mdpi.com/1422-8599/2016/4/M909/xml |
| article html file updated | 22 September 2016 11:34 CEST | Original file | - |
| article xml uploaded. | 22 September 2016 11:33 CEST | Original file | - |
| article pdf uploaded. | 22 September 2016 11:33 CEST | Version of Record | https://www.mdpi.com/1422-8599/2016/4/M909/pdf |
