| article html file updated | 8 February 2020 22:32 CET | Update | https://www.mdpi.com/2073-4360/9/12/657 |
| article html file updated | 28 September 2019 20:06 CEST | Update | - |
| article html file updated | 2 May 2019 11:59 CEST | Update | - |
| article html file updated | 18 April 2019 09:36 CEST | Update | - |
| article html file updated | 2 January 2018 14:32 CET | Update | - |
| article html file updated | 29 November 2017 11:06 CET | Update | - |
| article xml uploaded. | 29 November 2017 11:05 CET | Update | https://www.mdpi.com/2073-4360/9/12/657/xml |
| article pdf uploaded. | 29 November 2017 11:05 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/12/657/pdf |
| article html file updated | 29 November 2017 10:21 CET | Original file | - |
| article xml uploaded. | 29 November 2017 10:20 CET | Original file | - |
| article pdf uploaded. | 29 November 2017 10:20 CET | Version of Record | - |
