| article html file updated | 11 February 2020 17:07 CET | Update | https://www.mdpi.com/2225-1154/7/2/33 |
| article html file updated | 26 April 2019 14:30 CEST | Update | - |
| article html file updated | 12 April 2019 10:07 CEST | Update | - |
| article html file updated | 3 April 2019 23:22 CEST | Update | - |
| article html file updated | 4 March 2019 06:33 CET | Update | - |
| article html file updated | 1 March 2019 05:49 CET | Update | - |
| article html file updated | 21 February 2019 06:35 CET | Update | - |
| article pdf uploaded. | 21 February 2019 06:33 CET | Updated version of record | https://www.mdpi.com/2225-1154/7/2/33/pdf |
| article xml uploaded. | 21 February 2019 06:33 CET | Update | https://www.mdpi.com/2225-1154/7/2/33/xml |
| article xml file uploaded | 21 February 2019 06:33 CET | Update | - |
| article html file updated | 19 February 2019 12:04 CET | Original file | - |
| article pdf uploaded. | 19 February 2019 12:03 CET | Version of Record | https://www.mdpi.com/2225-1154/7/2/33/pdf-vor |
| article xml uploaded. | 19 February 2019 12:03 CET | Update | - |
| article xml file uploaded | 19 February 2019 12:03 CET | Original file | - |