| article html file updated | 8 February 2020 02:14 CET | Update | https://www.mdpi.com/2076-3417/7/4/322 |
| article html file updated | 24 September 2019 00:13 CEST | Update | - |
| article html file updated | 4 May 2019 05:03 CEST | Update | - |
| article html file updated | 28 April 2017 05:03 CEST | Update | - |
| article html file updated | 27 March 2017 05:48 CEST | Update | - |
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| article html file updated | 25 March 2017 22:33 CET | Update | - |
| article html file updated | 25 March 2017 09:01 CET | Original file | - |
| article xml uploaded. | 25 March 2017 09:00 CET | Original file | https://www.mdpi.com/2076-3417/7/4/322/xml |
| article pdf uploaded. | 25 March 2017 09:00 CET | Version of Record | https://www.mdpi.com/2076-3417/7/4/322/pdf |
