| article html file updated | 8 February 2020 19:47 CET | Update | https://www.mdpi.com/2071-1050/9/11/1978 |
| article html file updated | 28 September 2019 02:22 CEST | Update | - |
| article html file updated | 2 May 2019 18:12 CEST | Update | - |
| article html file updated | 30 November 2017 12:18 CET | Update | - |
| article html file updated | 30 October 2017 20:39 CET | Original file | - |
| article xml uploaded. | 30 October 2017 20:38 CET | Original file | https://www.mdpi.com/2071-1050/9/11/1978/xml |
| article pdf uploaded. | 30 October 2017 20:38 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/11/1978/pdf |
| article pdf uploaded. | 29 October 2017 10:48 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/1978/pdf-vor |
