| article html file updated | 18 August 2026 12:09 CEST | Update | https://www.mdpi.com/2199-8531/6/4/179 |
| article html file updated | 25 December 2025 00:10 CET | Update | N/A |
| article html file updated | 1 September 2025 15:13 CEST | Update | N/A |
| article html file updated | 23 July 2022 03:49 CEST | Update | N/A |
| article html file updated | 8 December 2020 03:11 CET | Update | N/A |
| article pdf uploaded. | 7 December 2020 04:28 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/179/pdf |
| article xml uploaded. | 7 December 2020 04:28 CET | Update | https://www.mdpi.com/2199-8531/6/4/179/xml |
| article xml file uploaded | 7 December 2020 04:28 CET | Update | N/A |
| article pdf uploaded. | 7 December 2020 04:12 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/179/pdf-vor |
| article xml uploaded. | 7 December 2020 04:12 CET | Update | N/A |
| article xml file uploaded | 7 December 2020 04:12 CET | Update | N/A |
| article html file updated | 7 December 2020 01:03 CET | Update | N/A |
| article pdf uploaded. | 6 December 2020 10:27 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/179/pdf-vor |
| article xml uploaded. | 6 December 2020 10:27 CET | Update | N/A |
| article xml file uploaded | 6 December 2020 10:27 CET | Update | N/A |
| article html file updated | 4 December 2020 21:34 CET | Original file | N/A |
| article xml file uploaded | 4 December 2020 11:11 CET | Update | N/A |
| article pdf uploaded. | 4 December 2020 11:11 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/179/pdf-vor |
| article xml uploaded. | 4 December 2020 11:11 CET | Original file | N/A |
