| article html file updated | 14 February 2020 04:59 CET | Update | https://www.mdpi.com/1996-1944/12/21/3549 |
| article html file updated | 15 November 2019 11:12 CET | Update | N/A |
| article html file updated | 30 October 2019 10:35 CET | Update | N/A |
| article pdf uploaded. | 30 October 2019 10:16 CET | Updated version of record | https://www.mdpi.com/1996-1944/12/21/3549/pdf |
| article xml uploaded. | 30 October 2019 10:16 CET | Update | https://www.mdpi.com/1996-1944/12/21/3549/xml |
| article xml file uploaded | 30 October 2019 10:16 CET | Update | N/A |
| article html file updated | 29 October 2019 23:01 CET | Original file | N/A |
| article pdf uploaded. | 29 October 2019 15:52 CET | Version of Record | https://www.mdpi.com/1996-1944/12/21/3549/pdf-vor |
| article xml uploaded. | 29 October 2019 15:52 CET | Update | N/A |
| article xml file uploaded | 29 October 2019 15:51 CET | Original file | N/A |
