| article html file updated | 11 February 2020 05:21 CET | Update | https://www.mdpi.com/2071-1050/11/1/115 |
| article html file updated | 27 April 2019 14:27 CEST | Update | - |
| article html file updated | 13 April 2019 10:24 CEST | Update | - |
| article html file updated | 2 April 2019 18:54 CEST | Update | - |
| article html file updated | 16 January 2019 05:31 CET | Update | - |
| article html file updated | 26 December 2018 18:48 CET | Original file | - |
| article pdf uploaded. | 26 December 2018 09:06 CET | Version of Record | https://www.mdpi.com/2071-1050/11/1/115/pdf |
| article xml uploaded. | 26 December 2018 09:06 CET | Update | https://www.mdpi.com/2071-1050/11/1/115/xml |
| article xml file uploaded | 26 December 2018 09:06 CET | Original file | - |
