| article html file updated | 11 February 2020 18:20 CET | Update | https://www.mdpi.com/2227-7390/7/2/211 |
| article html file updated | 15 October 2019 14:11 CEST | Update | - |
| article html file updated | 26 April 2019 11:52 CEST | Update | - |
| article html file updated | 12 April 2019 07:21 CEST | Update | - |
| article html file updated | 4 April 2019 02:51 CEST | Update | - |
| article html file updated | 4 March 2019 13:26 CET | Update | - |
| article html file updated | 1 March 2019 12:05 CET | Update | - |
| article html file updated | 26 February 2019 03:12 CET | Original file | - |
| article pdf uploaded. | 25 February 2019 07:55 CET | Version of Record | https://www.mdpi.com/2227-7390/7/2/211/pdf |
| article xml uploaded. | 25 February 2019 07:55 CET | Update | https://www.mdpi.com/2227-7390/7/2/211/xml |
| article xml file uploaded | 25 February 2019 07:55 CET | Original file | - |
