| article html file updated | 7 February 2020 22:18 CET | Update | https://www.mdpi.com/2079-4983/8/1/4 |
| article html file updated | 23 September 2019 01:56 CEST | Update | N/A |
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| article html file updated | 30 March 2017 11:33 CEST | Update | N/A |
| article pdf uploaded. | 13 February 2017 04:31 CET | Updated version of record | https://www.mdpi.com/2079-4983/8/1/4/pdf |
| article html file updated | 6 February 2017 16:03 CET | Update | N/A |
| article xml uploaded. | 6 February 2017 16:02 CET | Update | https://www.mdpi.com/2079-4983/8/1/4/xml |
| article pdf uploaded. | 6 February 2017 16:02 CET | Updated version of record | https://www.mdpi.com/2079-4983/8/1/4/pdf-vor |
| article html file updated | 26 January 2017 10:24 CET | Original file | N/A |
| article xml uploaded. | 26 January 2017 10:22 CET | Update | N/A |
| article xml uploaded. | 26 January 2017 10:22 CET | Original file | N/A |
| article pdf uploaded. | 26 January 2017 10:22 CET | Version of Record | https://www.mdpi.com/2079-4983/8/1/4/pdf-vor |