| article html file updated | 30 August 2025 05:47 CEST | Update | https://www.mdpi.com/2227-9040/6/3/31 |
| article html file updated | 17 July 2022 00:18 CEST | Update | N/A |
| article html file updated | 10 February 2020 04:22 CET | Update | N/A |
| article html file updated | 6 October 2019 07:31 CEST | Update | N/A |
| article html file updated | 29 April 2019 20:16 CEST | Update | N/A |
| article html file updated | 15 April 2019 15:24 CEST | Update | N/A |
| article html file updated | 31 March 2019 04:43 CEST | Update | N/A |
| article html file updated | 25 September 2018 12:22 CEST | Update | N/A |
| article html file updated | 3 August 2018 11:02 CEST | Original file | N/A |
| article pdf uploaded. | 3 August 2018 11:00 CEST | Version of Record | https://www.mdpi.com/2227-9040/6/3/31/pdf |
| article xml uploaded. | 3 August 2018 11:00 CEST | Update | https://www.mdpi.com/2227-9040/6/3/31/xml |
| article xml file uploaded | 3 August 2018 11:00 CEST | Original file | N/A |
