| article html file updated | 8 February 2020 19:56 CET | Update | https://www.mdpi.com/2077-1444/8/11/238 |
| article html file updated | 2 May 2019 17:53 CEST | Update | - |
| article html file updated | 30 November 2017 12:04 CET | Update | - |
| article html file updated | 2 November 2017 09:27 CET | Original file | - |
| article xml uploaded. | 2 November 2017 09:26 CET | Original file | https://www.mdpi.com/2077-1444/8/11/238/xml |
| article pdf uploaded. | 2 November 2017 09:26 CET | Updated version of record | https://www.mdpi.com/2077-1444/8/11/238/pdf |
| article pdf uploaded. | 31 October 2017 12:48 CET | Version of Record | https://www.mdpi.com/2077-1444/8/11/238/pdf-vor |
