| article html file updated | 11 February 2020 16:55 CET | Update | https://www.mdpi.com/2218-273X/9/2/69 |
| article html file updated | 15 October 2019 05:07 CEST | Update | - |
| article html file updated | 26 April 2019 14:58 CEST | Update | - |
| article html file updated | 12 April 2019 10:37 CEST | Update | - |
| article html file updated | 3 April 2019 22:46 CEST | Update | - |
| article html file updated | 4 March 2019 02:46 CET | Update | - |
| article html file updated | 1 March 2019 04:45 CET | Update | - |
| article html file updated | 23 February 2019 10:12 CET | Original file | - |
| article pdf uploaded. | 23 February 2019 10:08 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/2/69/pdf |
| article xml uploaded. | 23 February 2019 10:08 CET | Update | https://www.mdpi.com/2218-273X/9/2/69/xml |
| article xml file uploaded | 23 February 2019 10:08 CET | Update | - |
| article pdf uploaded. | 18 February 2019 15:06 CET | Version of Record | https://www.mdpi.com/2218-273X/9/2/69/pdf-vor |
| article xml file uploaded | 18 February 2019 15:06 CET | Original file | - |
