| article html file updated | 30 August 2025 13:46 CEST | Update | https://www.mdpi.com/2218-1997/5/4/89 |
| article html file updated | 21 August 2025 20:35 CEST | Update | - |
| article html file updated | 12 February 2020 03:47 CET | Update | - |
| article html file updated | 17 October 2019 22:40 CEST | Update | - |
| article html file updated | 8 May 2019 18:34 CEST | Update | - |
| article html file updated | 25 April 2019 15:20 CEST | Update | - |
| article html file updated | 18 April 2019 19:30 CEST | Original file | - |
| article pdf uploaded. | 18 April 2019 13:59 CEST | Updated version of record | https://www.mdpi.com/2218-1997/5/4/89/pdf |
| article xml uploaded. | 18 April 2019 13:59 CEST | Update | https://www.mdpi.com/2218-1997/5/4/89/xml |
| article xml file uploaded | 18 April 2019 13:59 CEST | Update | - |
| article pdf uploaded. | 8 April 2019 14:32 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/4/89/pdf-vor |
| article xml file uploaded | 8 April 2019 14:32 CEST | Original file | - |
