| article html file updated | 14 February 2020 14:04 CET | Update | https://www.mdpi.com/2079-9292/8/12/1421 |
| article html file updated | 31 December 2019 14:00 CET | Update | N/A |
| article html file updated | 6 December 2019 10:16 CET | Original file | N/A |
| article pdf uploaded. | 6 December 2019 10:15 CET | Updated version of record | https://www.mdpi.com/2079-9292/8/12/1421/pdf |
| article xml uploaded. | 6 December 2019 10:15 CET | Update | https://www.mdpi.com/2079-9292/8/12/1421/xml |
| article xml file uploaded | 6 December 2019 10:15 CET | Update | N/A |
| article pdf uploaded. | 28 November 2019 14:23 CET | Version of Record | https://www.mdpi.com/2079-9292/8/12/1421/pdf-vor |
| article xml file uploaded | 28 November 2019 14:23 CET | Original file | N/A |
