| article html file updated | 15 August 2026 15:59 CEST | Update | https://www.mdpi.com/1999-4893/12/2/31 |
| article html file updated | 30 August 2025 11:42 CEST | Update | N/A |
| article html file updated | 18 July 2022 03:19 CEST | Update | N/A |
| article html file updated | 11 February 2020 12:50 CET | Update | N/A |
| article html file updated | 14 October 2019 06:13 CEST | Update | N/A |
| article html file updated | 26 April 2019 22:53 CEST | Update | N/A |
| article html file updated | 12 April 2019 18:43 CEST | Update | N/A |
| article html file updated | 3 April 2019 12:56 CEST | Update | N/A |
| article html file updated | 1 March 2019 14:14 CET | Update | N/A |
| article html file updated | 31 January 2019 14:09 CET | Original file | N/A |
| article pdf uploaded. | 31 January 2019 14:07 CET | Updated version of record | https://www.mdpi.com/1999-4893/12/2/31/pdf |
| article xml uploaded. | 31 January 2019 14:07 CET | Update | https://www.mdpi.com/1999-4893/12/2/31/xml |
| article xml file uploaded | 31 January 2019 14:07 CET | Update | N/A |
| article pdf uploaded. | 31 January 2019 13:19 CET | Version of Record | N/A |
| article xml uploaded. | 31 January 2019 13:19 CET | Update | N/A |
| article xml file uploaded | 31 January 2019 13:19 CET | Original file | N/A |
