| article html file updated | 11 February 2020 08:24 CET | Update | https://www.mdpi.com/2076-0787/8/1/9 |
| article html file updated | 27 April 2019 07:44 CEST | Update | - |
| article html file updated | 13 April 2019 03:51 CEST | Update | - |
| article html file updated | 3 April 2019 02:11 CEST | Update | - |
| article html file updated | 15 January 2019 10:51 CET | Original file | - |
| article pdf uploaded. | 15 January 2019 10:50 CET | Updated version of record | https://www.mdpi.com/2076-0787/8/1/9/pdf |
| article xml uploaded. | 15 January 2019 10:50 CET | Update | https://www.mdpi.com/2076-0787/8/1/9/xml |
| article xml file uploaded | 15 January 2019 10:50 CET | Update | - |
| article pdf uploaded. | 11 January 2019 16:42 CET | Updated version of record | https://www.mdpi.com/2076-0787/8/1/9/pdf-vor |
| article pdf uploaded. | 11 January 2019 16:35 CET | Version of Record | https://www.mdpi.com/2076-0787/8/1/9/pdf-vor |
| article xml file uploaded | 11 January 2019 16:35 CET | Original file | - |
