| article html file updated | 14 August 2026 14:01 CEST | Update | https://www.mdpi.com/1996-1073/10/4/574 |
| article html file updated | 8 February 2020 04:11 CET | Update | N/A |
| article html file updated | 24 September 2019 11:11 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:06 CEST | Update | N/A |
| article html file updated | 28 April 2017 06:30 CEST | Update | N/A |
| article html file updated | 24 April 2017 10:36 CEST | Original file | N/A |
| article xml uploaded. | 24 April 2017 10:35 CEST | Update | https://www.mdpi.com/1996-1073/10/4/574/xml |
| article pdf uploaded. | 24 April 2017 10:35 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/4/574/pdf |
| article pdf uploaded. | 22 April 2017 11:32 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/574/pdf-vor |
