| article html file updated | 30 August 2025 02:06 CEST | Update | https://www.mdpi.com/2076-0817/7/1/4 |
| article html file updated | 16 July 2022 08:14 CEST | Update | - |
| article html file updated | 9 February 2020 01:28 CET | Update | - |
| article html file updated | 29 September 2019 13:13 CEST | Update | - |
| article html file updated | 2 May 2019 05:34 CEST | Update | - |
| article html file updated | 18 April 2019 03:35 CEST | Update | - |
| article html file updated | 28 March 2019 11:49 CET | Update | - |
| article html file updated | 26 March 2018 17:13 CEST | Update | - |
| article html file updated | 29 December 2017 06:22 CET | Original file | - |
| article xml uploaded. | 29 December 2017 06:21 CET | Update | https://www.mdpi.com/2076-0817/7/1/4/xml |
| article xml uploaded. | 29 December 2017 06:21 CET | Original file | - |
| article pdf uploaded. | 29 December 2017 06:21 CET | Version of Record | https://www.mdpi.com/2076-0817/7/1/4/pdf |
