| article html file updated | 8 February 2020 09:01 CET | Update | https://www.mdpi.com/2073-4441/9/7/451 |
| article html file updated | 25 September 2019 12:20 CEST | Update | - |
| article html file updated | 3 May 2019 16:03 CEST | Update | - |
| article html file updated | 1 August 2017 09:28 CEST | Update | - |
| article html file updated | 27 June 2017 06:22 CEST | Update | - |
| article xml uploaded. | 27 June 2017 06:20 CEST | Update | https://www.mdpi.com/2073-4441/9/7/451/xml |
| article pdf uploaded. | 27 June 2017 03:28 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/7/451/pdf |
| article html file updated | 22 June 2017 15:57 CEST | Original file | - |
| article pdf uploaded. | 22 June 2017 15:55 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/451/pdf-vor |
