| article html file updated | 14 August 2026 15:02 CEST | Update | https://www.mdpi.com/2218-273X/7/2/42 |
| article html file updated | 8 February 2020 07:51 CET | Update | N/A |
| article html file updated | 3 May 2019 18:16 CEST | Update | N/A |
| article html file updated | 28 June 2017 12:42 CEST | Update | N/A |
| article html file updated | 11 June 2017 02:39 CEST | Original file | N/A |
| article xml uploaded. | 11 June 2017 02:38 CEST | Original file | https://www.mdpi.com/2218-273X/7/2/42/xml |
| article pdf uploaded. | 11 June 2017 02:38 CEST | Updated version of record | https://www.mdpi.com/2218-273X/7/2/42/pdf |
| article pdf uploaded. | 9 June 2017 10:00 CEST | Version of Record | https://www.mdpi.com/2218-273X/7/2/42/pdf-vor |
