| article html file updated | 12 February 2020 01:18 CET | Update | https://www.mdpi.com/2076-0787/8/2/64 |
| article html file updated | 17 October 2019 07:41 CEST | Update | - |
| article html file updated | 25 April 2019 20:30 CEST | Update | - |
| article html file updated | 11 April 2019 15:41 CEST | Update | - |
| article html file updated | 4 April 2019 11:12 CEST | Update | - |
| article pdf uploaded. | 4 April 2019 11:11 CEST | Updated version of record | https://www.mdpi.com/2076-0787/8/2/64/pdf |
| article xml uploaded. | 4 April 2019 11:11 CEST | Update | https://www.mdpi.com/2076-0787/8/2/64/xml |
| article xml file uploaded | 4 April 2019 11:11 CEST | Update | - |
| article html file updated | 28 March 2019 11:19 CET | Original file | - |
| article pdf uploaded. | 28 March 2019 08:53 CET | Version of Record | https://www.mdpi.com/2076-0787/8/2/64/pdf-vor |
| article xml file uploaded | 28 March 2019 08:53 CET | Original file | - |
