| article html file updated | 13 February 2020 16:57 CET | Update | https://www.mdpi.com/1996-1073/12/18/3504 |
| article html file updated | 25 September 2019 10:35 CEST | Update | - |
| article html file updated | 17 September 2019 09:03 CEST | Update | - |
| article html file updated | 17 September 2019 09:01 CEST | Update | - |
| article html file updated | 17 September 2019 08:58 CEST | Original file | - |
| article pdf uploaded. | 17 September 2019 08:55 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/18/3504/pdf |
| article xml uploaded. | 17 September 2019 08:55 CEST | Update | https://www.mdpi.com/1996-1073/12/18/3504/xml |
| article xml file uploaded | 17 September 2019 08:55 CEST | Update | - |
| article pdf uploaded. | 11 September 2019 16:17 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/18/3504/pdf-vor |
| article xml file uploaded | 11 September 2019 16:17 CEST | Original file | - |