| article html file updated | 11 February 2020 11:11 CET | Update | https://www.mdpi.com/2227-7390/7/2/121 |
| article html file updated | 13 October 2019 20:37 CEST | Update | - |
| article html file updated | 27 April 2019 02:10 CEST | Update | - |
| article html file updated | 12 April 2019 22:07 CEST | Update | - |
| article html file updated | 3 April 2019 08:36 CEST | Update | - |
| article html file updated | 4 March 2019 12:26 CET | Update | - |
| article html file updated | 25 January 2019 02:25 CET | Original file | - |
| article pdf uploaded. | 24 January 2019 07:15 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/2/121/pdf |
| article xml uploaded. | 24 January 2019 07:15 CET | Update | https://www.mdpi.com/2227-7390/7/2/121/xml |
| article xml file uploaded | 24 January 2019 07:15 CET | Update | - |
| article pdf uploaded. | 23 January 2019 16:45 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/2/121/pdf-vor |
| article pdf uploaded. | 23 January 2019 16:31 CET | Version of Record | https://www.mdpi.com/2227-7390/7/2/121/pdf-vor |
| article xml file uploaded | 23 January 2019 16:31 CET | Original file | - |
