| article html file updated | 16 August 2026 01:55 CEST | Update | https://www.mdpi.com/1996-1073/12/11/2171 |
| article html file updated | 12 February 2020 18:03 CET | Update | N/A |
| article html file updated | 21 October 2019 10:55 CEST | Update | N/A |
| article html file updated | 20 June 2019 16:48 CEST | Update | N/A |
| article html file updated | 6 June 2019 10:30 CEST | Original file | N/A |
| article pdf uploaded. | 6 June 2019 10:28 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/11/2171/pdf |
| article xml uploaded. | 6 June 2019 10:28 CEST | Update | https://www.mdpi.com/1996-1073/12/11/2171/xml |
| article xml file uploaded | 6 June 2019 10:28 CEST | Original file | N/A |
