| article html file updated | 30 August 2025 08:52 CEST | Update | https://www.mdpi.com/2227-9040/6/4/53 |
| article html file updated | 17 July 2022 09:25 CEST | Update | - |
| article html file updated | 10 February 2020 21:36 CET | Update | - |
| article html file updated | 10 October 2019 13:02 CEST | Update | - |
| article html file updated | 28 April 2019 07:33 CEST | Update | - |
| article html file updated | 14 April 2019 03:21 CEST | Update | - |
| article html file updated | 1 April 2019 21:47 CEST | Update | - |
| article html file updated | 26 December 2018 09:27 CET | Update | - |
| article html file updated | 15 November 2018 13:54 CET | Original file | - |
| article pdf uploaded. | 15 November 2018 13:52 CET | Version of Record | https://www.mdpi.com/2227-9040/6/4/53/pdf |
| article xml uploaded. | 15 November 2018 13:52 CET | Update | https://www.mdpi.com/2227-9040/6/4/53/xml |
| article xml file uploaded | 15 November 2018 13:52 CET | Original file | - |
