| article html file updated | 8 February 2020 18:21 CET | Update | https://www.mdpi.com/2073-8994/9/10/225 |
| article html file updated | 2 May 2019 21:30 CEST | Update | - |
| article html file updated | 1 November 2017 04:44 CET | Update | - |
| article html file updated | 16 October 2017 04:32 CEST | Original file | - |
| article xml uploaded. | 16 October 2017 04:31 CEST | Original file | https://www.mdpi.com/2073-8994/9/10/225/xml |
| article pdf uploaded. | 16 October 2017 04:31 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/10/225/pdf |
| article pdf uploaded. | 13 October 2017 12:14 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/10/225/pdf-vor |
