| article html file updated | 30 August 2025 00:47 CEST | Update | https://www.mdpi.com/2311-5521/2/3/42 |
| article html file updated | 16 July 2022 05:31 CEST | Update | N/A |
| article html file updated | 8 February 2020 11:48 CET | Update | N/A |
| article html file updated | 26 September 2019 03:01 CEST | Update | N/A |
| article html file updated | 3 May 2019 10:47 CEST | Update | N/A |
| article html file updated | 27 March 2019 17:17 CET | Update | N/A |
| article html file updated | 27 October 2017 10:13 CEST | Update | N/A |
| article html file updated | 24 July 2017 08:51 CEST | Update | N/A |
| article html file updated | 24 July 2017 08:50 CEST | Update | N/A |
| article html file updated | 24 July 2017 08:49 CEST | Original file | N/A |
| article xml uploaded. | 24 July 2017 08:48 CEST | Original file | https://www.mdpi.com/2311-5521/2/3/42/xml |
| article pdf uploaded. | 24 July 2017 08:48 CEST | Version of Record | https://www.mdpi.com/2311-5521/2/3/42/pdf |
