| article html file updated | 30 August 2025 10:08 CEST | Update | https://www.mdpi.com/2218-273X/8/4/181 |
| article html file updated | 17 July 2022 17:06 CEST | Update | - |
| article html file updated | 11 February 2020 04:07 CET | Update | - |
| article html file updated | 12 October 2019 04:49 CEST | Update | - |
| article html file updated | 27 April 2019 17:14 CEST | Update | - |
| article html file updated | 13 April 2019 13:07 CEST | Update | - |
| article html file updated | 2 April 2019 15:47 CEST | Update | - |
| article html file updated | 28 December 2018 04:38 CET | Update | - |
| article html file updated | 19 December 2018 12:31 CET | Original file | - |
| article pdf uploaded. | 19 December 2018 12:29 CET | Version of Record | https://www.mdpi.com/2218-273X/8/4/181/pdf |
| article xml uploaded. | 19 December 2018 12:29 CET | Update | https://www.mdpi.com/2218-273X/8/4/181/xml |
| article xml file uploaded | 19 December 2018 12:29 CET | Original file | - |
