| article html file updated | 24 December 2025 14:00 CET | Update | https://www.mdpi.com/1999-4907/8/2/48 |
| article html file updated | 30 August 2025 00:26 CEST | Update | N/A |
| article html file updated | 21 August 2025 19:16 CEST | Update | N/A |
| article html file updated | 16 July 2022 04:55 CEST | Update | N/A |
| article html file updated | 7 February 2020 23:39 CET | Update | N/A |
| article html file updated | 23 September 2019 09:24 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:44 CEST | Update | N/A |
| article html file updated | 28 February 2017 10:58 CET | Update | N/A |
| article html file updated | 23 February 2017 10:04 CET | Update | N/A |
| article xml uploaded. | 23 February 2017 10:03 CET | Update | https://www.mdpi.com/1999-4907/8/2/48/xml |
| article pdf uploaded. | 23 February 2017 09:29 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/2/48/pdf |
| article html file updated | 18 February 2017 09:35 CET | Original file | N/A |
| article xml uploaded. | 18 February 2017 09:33 CET | Original file | N/A |
| article pdf uploaded. | 18 February 2017 09:33 CET | Version of Record | https://www.mdpi.com/1999-4907/8/2/48/pdf-vor |
