| article html file updated | 29 August 2025 22:12 CEST | Update | https://www.mdpi.com/2073-4336/6/4/473 |
| article html file updated | 16 July 2022 01:01 CEST | Update | - |
| article html file updated | 6 February 2020 23:35 CET | Update | - |
| article html file updated | 6 May 2019 09:44 CEST | Update | - |
| article html file updated | 26 March 2019 12:12 CET | Original file | - |
| article pdf uploaded. | 14 October 2015 11:34 CEST | Updated version of record | https://www.mdpi.com/2073-4336/6/4/473/pdf |
| article pdf uploaded. | 14 October 2015 11:32 CEST | Updated version of record | https://www.mdpi.com/2073-4336/6/4/473/pdf-vor |
| article pdf uploaded. | 14 October 2015 11:31 CEST | Updated version of record | https://www.mdpi.com/2073-4336/6/4/473/pdf-vor |
| article supplementary file uploaded. | 9 October 2015 16:37 CEST | - | https://www.mdpi.com/2073-4336/6/4/473#supplementary |
| article pdf uploaded. | 9 October 2015 16:37 CEST | Version of Record | https://www.mdpi.com/2073-4336/6/4/473/pdf-vor |
