| article html file updated | 29 August 2025 21:08 CEST | Update | https://www.mdpi.com/2218-273X/4/3/616 |
| article html file updated | 15 July 2022 23:11 CEST | Update | N/A |
| article html file updated | 6 February 2020 10:34 CET | Update | N/A |
| article html file updated | 20 September 2019 10:16 CEST | Update | N/A |
| article html file updated | 21 March 2019 20:27 CET | Update | N/A |
| article html file updated | 14 March 2018 13:28 CET | Update | N/A |
| article html file updated | 20 August 2015 12:14 CEST | Update | N/A |
| article html file updated | 11 October 2014 03:50 CEST | Original file | N/A |
| article xml file uploaded | 11 October 2014 03:50 CEST | Original file | https://www.mdpi.com/2218-273X/4/3/616/xml |
| article pdf uploaded. | 16 July 2014 11:28 CEST | Updated version of record | https://www.mdpi.com/2218-273X/4/3/616/pdf |
| article pdf uploaded. | 8 July 2014 15:52 CEST | Version of Record | https://www.mdpi.com/2218-273X/4/3/616/pdf-vor |
