| article html file updated | 8 February 2020 22:14 CET | Update | https://www.mdpi.com/2073-4360/9/12/646 |
| article html file updated | 28 September 2019 18:12 CEST | Update | - |
| article html file updated | 2 May 2019 12:42 CEST | Update | - |
| article html file updated | 18 April 2019 10:19 CEST | Update | - |
| article html file updated | 2 January 2018 14:30 CET | Update | - |
| article html file updated | 29 November 2017 05:11 CET | Update | - |
| article xml uploaded. | 29 November 2017 05:10 CET | Update | https://www.mdpi.com/2073-4360/9/12/646/xml |
| article xml uploaded. | 29 November 2017 05:10 CET | Update | - |
| article pdf uploaded. | 29 November 2017 05:10 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/12/646/pdf |
| article html file updated | 27 November 2017 06:44 CET | Original file | - |
| article xml uploaded. | 27 November 2017 06:42 CET | Original file | - |
| article pdf uploaded. | 27 November 2017 06:42 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/12/646/pdf-vor |
| article pdf uploaded. | 25 November 2017 11:31 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/646/pdf-vor |
