| article html file updated | 14 August 2026 14:57 CEST | Update | https://www.mdpi.com/2076-0760/6/2/59 |
| article html file updated | 8 February 2020 07:35 CET | Update | N/A |
| article html file updated | 25 September 2019 04:47 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:47 CEST | Update | N/A |
| article html file updated | 9 June 2017 03:25 CEST | Original file | N/A |
| article xml uploaded. | 9 June 2017 03:24 CEST | Original file | https://www.mdpi.com/2076-0760/6/2/59/xml |
| article pdf uploaded. | 9 June 2017 03:24 CEST | Updated version of record | https://www.mdpi.com/2076-0760/6/2/59/pdf |
| article pdf uploaded. | 6 June 2017 12:51 CEST | Version of Record | https://www.mdpi.com/2076-0760/6/2/59/pdf-vor |
