| article html file updated | 8 February 2020 18:04 CET | Update | https://www.mdpi.com/2073-8994/9/10/220 |
| article html file updated | 27 September 2019 15:39 CEST | Update | - |
| article html file updated | 2 May 2019 22:08 CEST | Update | - |
| article html file updated | 1 November 2017 04:42 CET | Update | - |
| article html file updated | 12 October 2017 04:57 CEST | Original file | - |
| article xml uploaded. | 12 October 2017 04:56 CEST | Update | https://www.mdpi.com/2073-8994/9/10/220/xml |
| article xml uploaded. | 12 October 2017 04:56 CEST | Original file | - |
| article pdf uploaded. | 12 October 2017 04:56 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/10/220/pdf |
| article pdf uploaded. | 10 October 2017 14:20 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/10/220/pdf-vor |
