| article html file updated | 14 February 2020 04:04 CET | Update | https://www.mdpi.com/1996-1073/12/21/4077 |
| article html file updated | 15 November 2019 07:33 CET | Update | N/A |
| article html file updated | 31 October 2019 12:15 CET | Original file | N/A |
| article pdf uploaded. | 31 October 2019 12:13 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4077/pdf |
| article xml uploaded. | 31 October 2019 12:13 CET | Update | https://www.mdpi.com/1996-1073/12/21/4077/xml |
| article xml file uploaded | 31 October 2019 12:13 CET | Update | N/A |
| article pdf uploaded. | 25 October 2019 15:28 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/21/4077/pdf-vor |
| article xml file uploaded | 25 October 2019 15:28 CEST | Original file | N/A |
