| article html file updated | 15 August 2026 01:36 CEST | Update | https://www.mdpi.com/2075-4663/6/2/42 |
| article html file updated | 30 August 2025 03:53 CEST | Update | N/A |
| article html file updated | 16 July 2022 20:19 CEST | Update | N/A |
| article html file updated | 9 February 2020 17:05 CET | Update | N/A |
| article html file updated | 3 October 2019 10:56 CEST | Update | N/A |
| article html file updated | 30 April 2019 20:55 CEST | Update | N/A |
| article html file updated | 16 April 2019 21:24 CEST | Update | N/A |
| article html file updated | 29 March 2019 23:34 CET | Update | N/A |
| article html file updated | 25 June 2018 12:40 CEST | Update | N/A |
| article html file updated | 10 May 2018 13:03 CEST | Original file | N/A |
| article pdf uploaded. | 10 May 2018 13:02 CEST | Version of Record | https://www.mdpi.com/2075-4663/6/2/42/pdf |
| article xml uploaded. | 10 May 2018 13:02 CEST | Update | https://www.mdpi.com/2075-4663/6/2/42/xml |
| article xml file uploaded | 10 May 2018 13:02 CEST | Original file | N/A |
