| article html file updated | 12 February 2020 06:22 CET | Update | https://www.mdpi.com/2218-273X/9/4/155 |
| article html file updated | 18 October 2019 15:07 CEST | Update | - |
| article html file updated | 8 May 2019 21:55 CEST | Update | - |
| article html file updated | 25 April 2019 11:27 CEST | Original file | - |
| article pdf uploaded. | 25 April 2019 11:25 CEST | Updated version of record | https://www.mdpi.com/2218-273X/9/4/155/pdf |
| article xml uploaded. | 25 April 2019 11:25 CEST | Update | https://www.mdpi.com/2218-273X/9/4/155/xml |
| article xml file uploaded | 25 April 2019 11:25 CEST | Update | - |
| article pdf uploaded. | 18 April 2019 17:14 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/4/155/pdf-vor |
| article xml file uploaded | 18 April 2019 17:14 CEST | Original file | - |
