| article html file updated | 30 August 2025 10:34 CEST | Update | https://www.mdpi.com/2218-1997/5/1/12 |
| article html file updated | 17 July 2022 20:43 CEST | Update | - |
| article html file updated | 11 February 2020 06:33 CET | Update | - |
| article html file updated | 27 April 2019 11:45 CEST | Update | - |
| article html file updated | 13 April 2019 07:44 CEST | Update | - |
| article html file updated | 2 April 2019 21:49 CEST | Update | - |
| article html file updated | 29 January 2019 05:06 CET | Update | - |
| article html file updated | 5 January 2019 02:57 CET | Original file | - |
| article pdf uploaded. | 4 January 2019 04:13 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/1/12/pdf |
| article xml uploaded. | 4 January 2019 04:13 CET | Update | https://www.mdpi.com/2218-1997/5/1/12/xml |
| article xml file uploaded | 4 January 2019 04:13 CET | Update | - |
| article pdf uploaded. | 3 January 2019 16:30 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/1/12/pdf-vor |
| article pdf uploaded. | 3 January 2019 16:12 CET | Version of Record | https://www.mdpi.com/2218-1997/5/1/12/pdf-vor |
| article xml file uploaded | 3 January 2019 16:12 CET | Original file | - |
