| article html file updated | 8 February 2020 02:39 CET | Update | https://www.mdpi.com/2077-1444/8/4/50 |
| article html file updated | 4 May 2019 04:09 CEST | Update | - |
| article html file updated | 28 April 2017 07:13 CEST | Update | - |
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| article html file updated | 10 April 2017 04:14 CEST | Update | - |
| article xml uploaded. | 10 April 2017 04:12 CEST | Update | https://www.mdpi.com/2077-1444/8/4/50/xml |
| article pdf uploaded. | 10 April 2017 04:12 CEST | Updated version of record | https://www.mdpi.com/2077-1444/8/4/50/pdf |
| article html file updated | 31 March 2017 16:09 CEST | Update | - |
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| article html file updated | 31 March 2017 16:08 CEST | Update | - |
| article html file updated | 31 March 2017 16:08 CEST | Original file | - |
| article pdf uploaded. | 31 March 2017 16:07 CEST | Updated version of record | https://www.mdpi.com/2077-1444/8/4/50/pdf-vor |
| article pdf uploaded. | 31 March 2017 16:07 CEST | Version of Record | https://www.mdpi.com/2077-1444/8/4/50/pdf-vor |
