| article html file updated | 11 February 2020 14:16 CET | Update | https://www.mdpi.com/2227-7102/9/1/34 |
| article html file updated | 14 October 2019 14:18 CEST | Update | - |
| article html file updated | 26 April 2019 20:15 CEST | Update | - |
| article html file updated | 12 April 2019 16:05 CEST | Update | - |
| article html file updated | 10 April 2019 21:18 CEST | Update | - |
| article html file updated | 3 April 2019 16:18 CEST | Update | - |
| article html file updated | 28 February 2019 16:14 CET | Update | - |
| article html file updated | 26 February 2019 13:37 CET | Original file | - |
| article pdf uploaded. | 26 February 2019 13:35 CET | Updated version of record | https://www.mdpi.com/2227-7102/9/1/34/pdf |
| article xml uploaded. | 26 February 2019 13:35 CET | Update | https://www.mdpi.com/2227-7102/9/1/34/xml |
| article xml file uploaded | 26 February 2019 13:35 CET | Update | - |
| article pdf uploaded. | 6 February 2019 16:08 CET | Version of Record | https://www.mdpi.com/2227-7102/9/1/34/pdf-vor |
| article xml file uploaded | 6 February 2019 16:08 CET | Original file | - |
