| article html file updated | 30 August 2025 01:45 CEST | Update | https://www.mdpi.com/2075-1729/7/4/47 |
| article html file updated | 16 July 2022 07:31 CEST | Update | N/A |
| article html file updated | 8 February 2020 21:51 CET | Update | N/A |
| article html file updated | 28 September 2019 15:51 CEST | Update | N/A |
| article html file updated | 2 May 2019 13:29 CEST | Update | N/A |
| article html file updated | 18 April 2019 11:09 CEST | Update | N/A |
| article html file updated | 3 January 2018 09:27 CET | Update | N/A |
| article pdf uploaded. | 24 November 2017 04:24 CET | Updated version of record | https://www.mdpi.com/2075-1729/7/4/47/pdf |
| article html file updated | 22 November 2017 09:23 CET | Original file | N/A |
| article xml uploaded. | 22 November 2017 09:22 CET | Original file | https://www.mdpi.com/2075-1729/7/4/47/xml |
| article pdf uploaded. | 22 November 2017 09:22 CET | Version of Record | https://www.mdpi.com/2075-1729/7/4/47/pdf-vor |
