| article html file updated | 30 August 2025 10:04 CEST | Update | https://www.mdpi.com/2218-1997/4/12/149 |
| article html file updated | 17 July 2022 16:35 CEST | Update | - |
| article html file updated | 11 February 2020 03:46 CET | Update | - |
| article html file updated | 12 October 2019 02:37 CEST | Update | - |
| article html file updated | 27 April 2019 18:00 CEST | Update | - |
| article html file updated | 13 April 2019 13:54 CEST | Update | - |
| article html file updated | 2 April 2019 14:51 CEST | Update | - |
| article html file updated | 25 December 2018 04:22 CET | Update | - |
| article html file updated | 18 December 2018 05:14 CET | Original file | - |
| article pdf uploaded. | 18 December 2018 05:13 CET | Version of Record | https://www.mdpi.com/2218-1997/4/12/149/pdf |
| article xml uploaded. | 18 December 2018 05:13 CET | Update | https://www.mdpi.com/2218-1997/4/12/149/xml |
| article xml file uploaded | 18 December 2018 05:13 CET | Original file | - |
