| article html file updated | 30 August 2025 20:36 CEST | Update | https://www.mdpi.com/2218-1997/5/6/134 |
| article html file updated | 21 August 2025 21:13 CEST | Update | N/A |
| article html file updated | 19 July 2022 19:29 CEST | Update | N/A |
| article html file updated | 12 February 2020 16:58 CET | Update | N/A |
| article html file updated | 3 July 2019 18:03 CEST | Update | N/A |
| article html file updated | 3 July 2019 18:00 CEST | Update | N/A |
| article html file updated | 24 June 2019 05:02 CEST | Original file | N/A |
| article pdf uploaded. | 24 June 2019 05:00 CEST | Updated version of record | https://www.mdpi.com/2218-1997/5/6/134/pdf |
| article xml uploaded. | 24 June 2019 05:00 CEST | Update | https://www.mdpi.com/2218-1997/5/6/134/xml |
| article xml file uploaded | 24 June 2019 05:00 CEST | Update | N/A |
| article pdf uploaded. | 1 June 2019 10:51 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/6/134/pdf-vor |
| article xml file uploaded | 1 June 2019 10:51 CEST | Original file | N/A |
