| article html file updated | 8 February 2020 19:51 CET | Update | https://www.mdpi.com/2073-4441/9/11/837 |
| article html file updated | 28 September 2019 02:45 CEST | Update | - |
| article html file updated | 2 May 2019 18:04 CEST | Update | - |
| article html file updated | 30 November 2017 15:12 CET | Update | - |
| article html file updated | 30 November 2017 08:01 CET | Update | - |
| article html file updated | 31 October 2017 11:56 CET | Original file | - |
| article xml uploaded. | 31 October 2017 11:55 CET | Original file | https://www.mdpi.com/2073-4441/9/11/837/xml |
| article pdf uploaded. | 31 October 2017 11:55 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/11/837/pdf |
| article pdf uploaded. | 30 October 2017 14:45 CET | Version of Record | https://www.mdpi.com/2073-4441/9/11/837/pdf-vor |
