| article html file updated | 14 August 2026 13:41 CEST | Update | https://www.mdpi.com/2071-1050/9/4/548 |
| article html file updated | 8 February 2020 02:58 CET | Update | N/A |
| article html file updated | 24 September 2019 04:22 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:26 CEST | Update | N/A |
| article html file updated | 28 April 2017 10:54 CEST | Update | N/A |
| article html file updated | 6 April 2017 11:31 CEST | Original file | N/A |
| article xml uploaded. | 6 April 2017 11:30 CEST | Original file | https://www.mdpi.com/2071-1050/9/4/548/xml |
| article pdf uploaded. | 6 April 2017 11:30 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/4/548/pdf |
| article pdf uploaded. | 5 April 2017 14:47 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/4/548/pdf-vor |
