| article html file updated | 15 August 2026 13:29 CEST | Update | https://www.mdpi.com/1996-1073/12/1/59 |
| article html file updated | 30 August 2025 10:20 CEST | Update | N/A |
| article html file updated | 17 July 2022 18:44 CEST | Update | N/A |
| article html file updated | 11 February 2020 05:15 CET | Update | N/A |
| article html file updated | 12 October 2019 11:47 CEST | Update | N/A |
| article html file updated | 27 April 2019 14:40 CEST | Update | N/A |
| article html file updated | 13 April 2019 10:37 CEST | Update | N/A |
| article html file updated | 2 April 2019 18:39 CEST | Update | N/A |
| article html file updated | 16 January 2019 05:20 CET | Update | N/A |
| article html file updated | 25 December 2018 11:37 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2018 11:36 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/59/pdf |
| article xml uploaded. | 25 December 2018 11:36 CET | Update | https://www.mdpi.com/1996-1073/12/1/59/xml |
| article xml file uploaded | 25 December 2018 11:36 CET | Original file | N/A |
