| article html file updated | 12 February 2020 01:55 CET | Update | https://www.mdpi.com/2076-0787/8/2/69 |
| article html file updated | 25 April 2019 19:06 CEST | Update | - |
| article html file updated | 12 April 2019 06:17 CEST | Original file | - |
| article pdf uploaded. | 12 April 2019 06:15 CEST | Updated version of record | https://www.mdpi.com/2076-0787/8/2/69/pdf |
| article xml uploaded. | 12 April 2019 06:15 CEST | Update | https://www.mdpi.com/2076-0787/8/2/69/xml |
| article xml file uploaded | 12 April 2019 06:15 CEST | Update | - |
| article pdf uploaded. | 30 March 2019 12:19 CET | Version of Record | https://www.mdpi.com/2076-0787/8/2/69/pdf-vor |
| article xml file uploaded | 30 March 2019 12:19 CET | Original file | - |
