| article html file updated | 6 March 2020 07:49 CET | Update | https://www.mdpi.com/2227-7390/8/2/159 |
| article html file updated | 15 February 2020 05:26 CET | Update | - |
| article html file updated | 13 February 2020 06:14 CET | Original file | - |
| article pdf uploaded. | 13 February 2020 06:12 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/159/pdf |
| article xml uploaded. | 13 February 2020 06:12 CET | Update | https://www.mdpi.com/2227-7390/8/2/159/xml |
| article xml file uploaded | 13 February 2020 06:12 CET | Update | - |
| article pdf uploaded. | 22 January 2020 16:06 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/159/pdf-vor |
| article xml file uploaded | 22 January 2020 16:06 CET | Original file | - |
