| article html file updated | 30 August 2025 12:02 CEST | Update | https://www.mdpi.com/1996-1073/12/4/618 |
| article html file updated | 19 July 2022 05:43 CEST | Update | - |
| article html file updated | 11 February 2020 16:15 CET | Update | - |
| article html file updated | 15 October 2019 01:10 CEST | Update | - |
| article html file updated | 26 April 2019 16:20 CEST | Update | - |
| article html file updated | 12 April 2019 12:08 CEST | Update | - |
| article html file updated | 3 April 2019 21:03 CEST | Update | - |
| article html file updated | 1 March 2019 13:11 CET | Update | - |
| article html file updated | 1 March 2019 01:26 CET | Update | - |
| article html file updated | 15 February 2019 10:32 CET | Original file | - |
| article pdf uploaded. | 15 February 2019 10:31 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/618/pdf |
| article xml uploaded. | 15 February 2019 10:31 CET | Update | https://www.mdpi.com/1996-1073/12/4/618/xml |
| article xml file uploaded | 15 February 2019 10:31 CET | Original file | - |