| article html file updated | 11 February 2020 07:53 CET | Update | https://www.mdpi.com/2227-7102/9/1/12 |
| article html file updated | 27 April 2019 08:54 CEST | Update | - |
| article html file updated | 13 April 2019 04:53 CEST | Update | - |
| article html file updated | 10 April 2019 21:09 CEST | Update | - |
| article html file updated | 3 April 2019 00:53 CEST | Update | - |
| article html file updated | 10 January 2019 09:02 CET | Original file | - |
| article pdf uploaded. | 10 January 2019 09:00 CET | Version of Record | https://www.mdpi.com/2227-7102/9/1/12/pdf |
| article xml uploaded. | 10 January 2019 09:00 CET | Update | https://www.mdpi.com/2227-7102/9/1/12/xml |
| article xml file uploaded | 10 January 2019 09:00 CET | Original file | - |
