| article html file updated | 14 February 2020 05:59 CET | Update | https://www.mdpi.com/2079-6412/9/11/721 |
| article html file updated | 27 November 2019 13:31 CET | Update | N/A |
| article html file updated | 6 November 2019 06:31 CET | Update | N/A |
| article pdf uploaded. | 6 November 2019 06:29 CET | Updated version of record | https://www.mdpi.com/2079-6412/9/11/721/pdf |
| article xml uploaded. | 6 November 2019 06:29 CET | Update | https://www.mdpi.com/2079-6412/9/11/721/xml |
| article xml file uploaded | 6 November 2019 06:29 CET | Update | N/A |
| article html file updated | 1 November 2019 13:22 CET | Original file | N/A |
| article pdf uploaded. | 1 November 2019 12:06 CET | Version of Record | https://www.mdpi.com/2079-6412/9/11/721/pdf-vor |
| article xml uploaded. | 1 November 2019 12:06 CET | Update | N/A |
| article xml file uploaded | 1 November 2019 12:05 CET | Original file | N/A |
