| article html file updated | 29 August 2025 22:58 CEST | Update | https://www.mdpi.com/1999-4915/8/4/102 |
| article html file updated | 20 August 2025 22:18 CEST | Update | N/A |
| article html file updated | 7 February 2020 07:23 CET | Update | N/A |
| article html file updated | 5 May 2019 18:23 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:07 CET | Update | N/A |
| article html file updated | 28 April 2016 12:10 CEST | Update | N/A |
| article html file updated | 16 April 2016 10:13 CEST | Original file | N/A |
| article xml uploaded. | 16 April 2016 10:12 CEST | Original file | https://www.mdpi.com/1999-4915/8/4/102/xml |
| article pdf uploaded. | 16 April 2016 10:12 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/4/102/pdf |
