| article html file updated | 8 February 2020 23:25 CET | Update | https://www.mdpi.com/2073-8994/9/12/306 |
| article html file updated | 2 May 2019 10:02 CEST | Update | - |
| article html file updated | 18 April 2019 07:41 CEST | Update | - |
| article html file updated | 2 January 2018 17:38 CET | Update | - |
| article pdf uploaded. | 11 December 2017 10:21 CET | Updated version of record | https://www.mdpi.com/2073-8994/9/12/306/pdf |
| article html file updated | 11 December 2017 08:48 CET | Update | - |
| article xml uploaded. | 11 December 2017 08:47 CET | Update | https://www.mdpi.com/2073-8994/9/12/306/xml |
| article pdf uploaded. | 11 December 2017 08:47 CET | Updated version of record | https://www.mdpi.com/2073-8994/9/12/306/pdf-vor |
| article html file updated | 7 December 2017 11:45 CET | Original file | - |
| article xml uploaded. | 7 December 2017 11:44 CET | Original file | - |
| article pdf uploaded. | 7 December 2017 11:44 CET | Version of Record | https://www.mdpi.com/2073-8994/9/12/306/pdf-vor |
