| article html file updated | 11 February 2020 07:16 CET | Update | https://www.mdpi.com/2227-7390/7/1/57 |
| article html file updated | 13 October 2019 00:07 CEST | Update | N/A |
| article html file updated | 27 April 2019 10:15 CEST | Update | N/A |
| article html file updated | 13 April 2019 06:12 CEST | Update | N/A |
| article html file updated | 2 April 2019 23:27 CEST | Update | N/A |
| article html file updated | 29 January 2019 06:07 CET | Update | N/A |
| article html file updated | 8 January 2019 07:56 CET | Original file | N/A |
| article pdf uploaded. | 8 January 2019 07:53 CET | Version of Record | https://www.mdpi.com/2227-7390/7/1/57/pdf |
| article xml uploaded. | 8 January 2019 07:53 CET | Update | https://www.mdpi.com/2227-7390/7/1/57/xml |
| article xml file uploaded | 8 January 2019 07:53 CET | Original file | N/A |
