| article html file updated | 8 February 2020 17:43 CET | Update | https://www.mdpi.com/2073-8994/9/10/214 |
| article html file updated | 2 May 2019 22:53 CEST | Update | - |
| article html file updated | 1 November 2017 04:42 CET | Update | - |
| article html file updated | 16 October 2017 03:54 CEST | Original file | - |
| article xml uploaded. | 16 October 2017 03:53 CEST | Update | https://www.mdpi.com/2073-8994/9/10/214/xml |
| article xml uploaded. | 16 October 2017 03:53 CEST | Original file | - |
| article pdf uploaded. | 16 October 2017 03:53 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/10/214/pdf |
| article pdf uploaded. | 3 October 2017 10:31 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/10/214/pdf-vor |
