| article html file updated | 29 August 2025 22:44 CEST | Update | https://www.mdpi.com/1999-4907/7/2/46 |
| article html file updated | 16 July 2022 01:48 CEST | Update | N/A |
| article html file updated | 7 February 2020 04:47 CET | Update | N/A |
| article html file updated | 5 May 2019 23:49 CEST | Update | N/A |
| article html file updated | 26 March 2019 21:12 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2016 16:30 CET | Updated version of record | https://www.mdpi.com/1999-4907/7/2/46/pdf |
| article xml uploaded. | 22 February 2016 16:30 CET | Update | https://www.mdpi.com/1999-4907/7/2/46/xml |
| article pdf uploaded. | 19 February 2016 14:37 CET | Updated version of record | https://www.mdpi.com/1999-4907/7/2/46/pdf-vor |
| article xml uploaded. | 19 February 2016 14:37 CET | Update | N/A |
| article pdf uploaded. | 19 February 2016 14:37 CET | Version of Record | https://www.mdpi.com/1999-4907/7/2/46/pdf-vor |
| article xml uploaded. | 19 February 2016 14:37 CET | Original file | N/A |
