| article html file updated | 30 August 2025 00:12 CEST | Update | https://www.mdpi.com/1424-8247/10/1/9 |
| article html file updated | 16 July 2022 04:27 CEST | Update | N/A |
| article html file updated | 7 February 2020 21:10 CET | Update | N/A |
| article html file updated | 22 September 2019 19:54 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:58 CEST | Update | N/A |
| article html file updated | 9 November 2017 12:35 CET | Update | N/A |
| article html file updated | 27 October 2017 10:33 CEST | Update | N/A |
| article html file updated | 31 March 2017 05:32 CEST | Update | N/A |
| article html file updated | 11 January 2017 14:36 CET | Original file | N/A |
| article xml uploaded. | 11 January 2017 14:35 CET | Update | https://www.mdpi.com/1424-8247/10/1/9/xml |
| article xml uploaded. | 11 January 2017 14:35 CET | Original file | N/A |
| article pdf uploaded. | 11 January 2017 14:35 CET | Version of Record | https://www.mdpi.com/1424-8247/10/1/9/pdf |
