| article html file updated | 14 February 2020 06:58 CET | Update | https://www.mdpi.com/1996-1073/12/21/4213 |
| article html file updated | 15 November 2019 09:38 CET | Update | - |
| article html file updated | 8 November 2019 07:06 CET | Update | - |
| article xml uploaded. | 8 November 2019 07:05 CET | Update | https://www.mdpi.com/1996-1073/12/21/4213/xml |
| article xml uploaded. | 8 November 2019 07:05 CET | Update | - |
| article xml uploaded. | 8 November 2019 07:05 CET | Update | - |
| article pdf uploaded. | 8 November 2019 07:05 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4213/pdf |
| article html file updated | 5 November 2019 12:56 CET | Original file | - |
| article pdf uploaded. | 5 November 2019 12:54 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4213/pdf-vor |
| article xml uploaded. | 5 November 2019 12:54 CET | Update | - |
| article xml file uploaded | 5 November 2019 12:54 CET | Original file | - |
