| article html file updated | 30 August 2025 00:38 CEST | Update | https://www.mdpi.com/1999-4907/8/3/89 |
| article html file updated | 16 July 2022 05:20 CEST | Update | - |
| article html file updated | 8 February 2020 01:41 CET | Update | - |
| article html file updated | 23 September 2019 21:03 CEST | Update | - |
| article html file updated | 4 May 2019 06:14 CEST | Update | - |
| article html file updated | 28 March 2017 03:54 CEST | Update | - |
| article html file updated | 17 March 2017 12:08 CET | Original file | - |
| article xml uploaded. | 17 March 2017 12:06 CET | Original file | https://www.mdpi.com/1999-4907/8/3/89/xml |
| article pdf uploaded. | 17 March 2017 12:06 CET | Version of Record | https://www.mdpi.com/1999-4907/8/3/89/pdf |
