| article html file updated | 30 August 2025 03:27 CEST | Update | https://www.mdpi.com/2227-9091/6/2/35 |
| article html file updated | 21 August 2025 19:56 CEST | Update | N/A |
| article html file updated | 16 July 2022 10:41 CEST | Update | N/A |
| article html file updated | 9 February 2020 13:37 CET | Update | N/A |
| article html file updated | 2 October 2019 13:41 CEST | Update | N/A |
| article html file updated | 1 May 2019 03:54 CEST | Update | N/A |
| article html file updated | 17 April 2019 04:15 CEST | Update | N/A |
| article html file updated | 29 March 2019 15:12 CET | Update | N/A |
| article html file updated | 27 June 2018 09:52 CEST | Update | N/A |
| article html file updated | 12 April 2018 17:26 CEST | Original file | N/A |
| article xml uploaded. | 12 April 2018 17:25 CEST | Original file | https://www.mdpi.com/2227-9091/6/2/35/xml |
| article pdf uploaded. | 12 April 2018 17:25 CEST | Version of Record | https://www.mdpi.com/2227-9091/6/2/35/pdf |