| article html file updated | 11 February 2020 07:13 CET | Update | https://www.mdpi.com/2227-7390/7/1/56 |
| article html file updated | 12 October 2019 23:51 CEST | Update | - |
| article html file updated | 27 April 2019 10:22 CEST | Update | - |
| article html file updated | 13 April 2019 06:19 CEST | Update | - |
| article html file updated | 2 April 2019 23:20 CEST | Update | - |
| article html file updated | 29 January 2019 06:02 CET | Update | - |
| article html file updated | 7 January 2019 14:48 CET | Original file | - |
| article pdf uploaded. | 7 January 2019 14:47 CET | Version of Record | https://www.mdpi.com/2227-7390/7/1/56/pdf |
| article xml uploaded. | 7 January 2019 14:47 CET | Update | https://www.mdpi.com/2227-7390/7/1/56/xml |
| article xml file uploaded | 7 January 2019 14:47 CET | Original file | - |
