| article html file updated | 14 August 2026 15:25 CEST | Update | https://www.mdpi.com/1999-4907/8/7/223 |
| article html file updated | 8 February 2020 09:16 CET | Update | N/A |
| article html file updated | 25 September 2019 13:41 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:36 CEST | Update | N/A |
| article html file updated | 1 August 2017 08:41 CEST | Update | N/A |
| article html file updated | 27 June 2017 06:41 CEST | Original file | N/A |
| article xml uploaded. | 27 June 2017 06:40 CEST | Original file | https://www.mdpi.com/1999-4907/8/7/223/xml |
| article pdf uploaded. | 27 June 2017 06:40 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/7/223/pdf |
| article pdf uploaded. | 26 June 2017 12:04 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/7/223/pdf-vor |
