| article html file updated | 14 August 2026 16:57 CEST | Update | https://www.mdpi.com/2073-4433/8/9/156 |
| article html file updated | 8 February 2020 14:20 CET | Update | N/A |
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| article html file updated | 26 September 2017 12:50 CEST | Update | N/A |
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| article xml uploaded. | 31 August 2017 07:39 CEST | Update | https://www.mdpi.com/2073-4433/8/9/156/xml |
| article pdf uploaded. | 31 August 2017 07:39 CEST | Updated version of record | https://www.mdpi.com/2073-4433/8/9/156/pdf |
| article html file updated | 23 August 2017 16:17 CEST | Original file | N/A |
| article xml uploaded. | 23 August 2017 16:16 CEST | Update | N/A |
| article xml uploaded. | 23 August 2017 16:16 CEST | Original file | N/A |
| article pdf uploaded. | 23 August 2017 16:16 CEST | Version of Record | https://www.mdpi.com/2073-4433/8/9/156/pdf-vor |
