| article html file updated | 30 August 2025 00:06 CEST | Update | https://www.mdpi.com/1999-4907/8/1/5 |
| article html file updated | 16 July 2022 04:14 CEST | Update | N/A |
| article html file updated | 7 February 2020 20:05 CET | Update | N/A |
| article html file updated | 22 September 2019 14:02 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:15 CEST | Update | N/A |
| article html file updated | 1 March 2017 07:43 CET | Update | N/A |
| article html file updated | 8 February 2017 10:11 CET | Update | N/A |
| article html file updated | 22 December 2016 09:10 CET | Original file | N/A |
| article xml uploaded. | 22 December 2016 09:09 CET | Original file | https://www.mdpi.com/1999-4907/8/1/5/xml |
| article pdf uploaded. | 22 December 2016 09:09 CET | Version of Record | https://www.mdpi.com/1999-4907/8/1/5/pdf |
