| article html file updated | 14 February 2020 12:01 CET | Update | https://www.mdpi.com/2079-9292/8/12/1391 |
| article html file updated | 31 December 2019 13:31 CET | Update | - |
| article html file updated | 22 November 2019 04:59 CET | Original file | - |
| article pdf uploaded. | 22 November 2019 04:57 CET | Version of Record | https://www.mdpi.com/2079-9292/8/12/1391/pdf |
| article xml uploaded. | 22 November 2019 04:57 CET | Update | https://www.mdpi.com/2079-9292/8/12/1391/xml |
| article xml file uploaded | 22 November 2019 04:57 CET | Original file | - |
