| article html file updated | 11 February 2020 06:29 CET | Update | https://www.mdpi.com/2227-7390/7/1/39 |
| article html file updated | 12 October 2019 19:43 CEST | Update | - |
| article html file updated | 27 April 2019 11:54 CEST | Update | - |
| article html file updated | 13 April 2019 07:52 CEST | Update | - |
| article html file updated | 2 April 2019 21:40 CEST | Update | - |
| article html file updated | 29 January 2019 05:01 CET | Update | - |
| article html file updated | 3 January 2019 11:21 CET | Original file | - |
| article pdf uploaded. | 3 January 2019 11:19 CET | Version of Record | https://www.mdpi.com/2227-7390/7/1/39/pdf |
| article xml uploaded. | 3 January 2019 11:19 CET | Update | https://www.mdpi.com/2227-7390/7/1/39/xml |
| article xml file uploaded | 3 January 2019 11:19 CET | Original file | - |
