| article html file updated | 29 August 2025 21:37 CEST | Update | https://www.mdpi.com/2220-9964/4/2/418 |
| article html file updated | 20 August 2025 21:58 CEST | Update | - |
| article html file updated | 6 February 2020 17:04 CET | Update | - |
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| article html file updated | 21 August 2015 09:31 CEST | Original file | - |
| article supplementary file uploaded. | 5 May 2015 15:40 CEST | - | https://www.mdpi.com/2220-9964/4/2/418#supplementary |
| article supplementary file uploaded. | 31 March 2015 11:02 CEST | - | https://www.mdpi.com/2220-9964/4/2/418#supplementary |
| article pdf uploaded. | 31 March 2015 11:02 CEST | Updated version of record | https://www.mdpi.com/2220-9964/4/2/418/pdf |
| article supplementary file uploaded. | 27 March 2015 11:28 CET | - | https://www.mdpi.com/2220-9964/4/2/418#supplementary |
| article pdf uploaded. | 27 March 2015 11:28 CET | Version of Record | https://www.mdpi.com/2220-9964/4/2/418/pdf-vor |
