| article html file updated | 7 February 2020 16:28 CET | Update | https://www.mdpi.com/1422-8599/2016/4/M912 |
| article html file updated | 22 September 2019 03:05 CEST | Update | - |
| article html file updated | 5 May 2019 01:26 CEST | Update | - |
| article html file updated | 27 October 2017 08:21 CEST | Update | - |
| article html file updated | 26 September 2017 08:46 CEST | Update | - |
| article xml uploaded. | 26 September 2017 08:44 CEST | Update | https://www.mdpi.com/1422-8599/2016/4/M912/xml |
| article html file updated | 17 October 2016 11:38 CEST | Original file | - |
| article xml uploaded. | 17 October 2016 11:37 CEST | Original file | - |
| article pdf uploaded. | 17 October 2016 11:37 CEST | Version of Record | https://www.mdpi.com/1422-8599/2016/4/M912/pdf |
