| article html file updated | 14 August 2026 14:45 CEST | Update | https://www.mdpi.com/2073-8994/9/6/80 |
| article html file updated | 8 February 2020 06:50 CET | Update | N/A |
| article html file updated | 3 May 2019 20:11 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:54 CEST | Update | N/A |
| article html file updated | 30 May 2017 11:42 CEST | Original file | N/A |
| article xml uploaded. | 30 May 2017 11:41 CEST | Original file | https://www.mdpi.com/2073-8994/9/6/80/xml |
| article pdf uploaded. | 30 May 2017 11:41 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/6/80/pdf |
| article pdf uploaded. | 26 May 2017 14:25 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/6/80/pdf-vor |
