| article html file updated | 8 February 2020 02:11 CET | Update | https://www.mdpi.com/1996-1944/10/4/338 |
| article html file updated | 23 September 2019 23:57 CEST | Update | - |
| article html file updated | 4 May 2019 05:10 CEST | Update | - |
| article html file updated | 28 April 2017 09:03 CEST | Update | - |
| article html file updated | 27 March 2017 05:31 CEST | Update | - |
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| article html file updated | 25 March 2017 22:29 CET | Update | - |
| article html file updated | 25 March 2017 10:39 CET | Original file | - |
| article xml uploaded. | 25 March 2017 10:38 CET | Original file | https://www.mdpi.com/1996-1944/10/4/338/xml |
| article pdf uploaded. | 25 March 2017 10:38 CET | Updated version of record | https://www.mdpi.com/1996-1944/10/4/338/pdf |
| article pdf uploaded. | 24 March 2017 12:37 CET | Version of Record | https://www.mdpi.com/1996-1944/10/4/338/pdf-vor |