| article html file updated | 11 February 2020 21:57 CET | Update | https://www.mdpi.com/1996-1073/12/6/977 |
| article html file updated | 16 October 2019 13:06 CEST | Update | - |
| article html file updated | 26 April 2019 03:47 CEST | Update | - |
| article html file updated | 11 April 2019 22:50 CEST | Update | - |
| article html file updated | 4 April 2019 12:37 CEST | Update | - |
| article html file updated | 13 March 2019 11:26 CET | Original file | - |
| article pdf uploaded. | 13 March 2019 11:25 CET | Version of Record | https://www.mdpi.com/1996-1073/12/6/977/pdf |
| article xml uploaded. | 13 March 2019 11:25 CET | Update | https://www.mdpi.com/1996-1073/12/6/977/xml |
| article xml file uploaded | 13 March 2019 11:25 CET | Original file | - |
