| article html file updated | 16 August 2026 12:54 CEST | Update | https://www.mdpi.com/2218-1997/5/9/195 |
| article html file updated | 31 August 2025 01:00 CEST | Update | N/A |
| article html file updated | 20 July 2022 03:56 CEST | Update | N/A |
| article html file updated | 13 February 2020 15:28 CET | Update | N/A |
| article html file updated | 25 September 2019 23:34 CEST | Update | N/A |
| article html file updated | 9 September 2019 04:09 CEST | Original file | N/A |
| article pdf uploaded. | 9 September 2019 04:08 CEST | Updated version of record | https://www.mdpi.com/2218-1997/5/9/195/pdf |
| article xml uploaded. | 9 September 2019 04:08 CEST | Update | https://www.mdpi.com/2218-1997/5/9/195/xml |
| article xml file uploaded | 9 September 2019 04:08 CEST | Update | N/A |
| article pdf uploaded. | 5 September 2019 14:52 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/9/195/pdf-vor |
| article xml file uploaded | 5 September 2019 14:52 CEST | Original file | N/A |
