| article html file updated | 9 February 2020 11:13 CET | Update | https://www.mdpi.com/2076-3417/8/4/491 |
| article html file updated | 1 October 2019 23:10 CEST | Update | - |
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| article html file updated | 29 March 2019 09:42 CET | Update | - |
| article html file updated | 2 May 2018 15:23 CEST | Update | - |
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| article html file updated | 1 May 2018 14:20 CEST | Update | - |
| article html file updated | 24 April 2018 12:07 CEST | Update | - |
| article xml uploaded. | 24 April 2018 12:06 CEST | Update | https://www.mdpi.com/2076-3417/8/4/491/xml |
| article pdf uploaded. | 24 April 2018 12:06 CEST | Updated version of record | https://www.mdpi.com/2076-3417/8/4/491/pdf |
| article html file updated | 25 March 2018 14:41 CEST | Original file | - |
| article pdf uploaded. | 25 March 2018 14:39 CEST | Version of Record | https://www.mdpi.com/2076-3417/8/4/491/pdf-vor |
