| article html file updated | 15 August 2026 23:13 CEST | Update | https://www.mdpi.com/2226-4310/6/5/51 |
| article html file updated | 12 February 2020 09:48 CET | Update | N/A |
| article html file updated | 19 October 2019 12:26 CEST | Update | N/A |
| article html file updated | 5 June 2019 18:17 CEST | Update | N/A |
| article html file updated | 16 May 2019 09:49 CEST | Update | N/A |
| article pdf uploaded. | 15 May 2019 04:00 CEST | Updated version of record | https://www.mdpi.com/2226-4310/6/5/51/pdf |
| article xml uploaded. | 15 May 2019 04:00 CEST | Update | https://www.mdpi.com/2226-4310/6/5/51/xml |
| article xml file uploaded | 15 May 2019 04:00 CEST | Update | N/A |
| article html file updated | 4 May 2019 09:43 CEST | Original file | N/A |
| article pdf uploaded. | 4 May 2019 09:41 CEST | Version of Record | https://www.mdpi.com/2226-4310/6/5/51/pdf-vor |
| article xml file uploaded | 4 May 2019 09:41 CEST | Original file | N/A |
