| article html file updated | 9 February 2020 06:40 CET | Update | https://www.mdpi.com/2071-1050/10/2/509 |
| article html file updated | 30 September 2019 19:35 CEST | Update | - |
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| article html file updated | 17 April 2019 17:39 CEST | Update | - |
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| article html file updated | 15 March 2018 10:02 CET | Update | - |
| article html file updated | 14 March 2018 12:12 CET | Update | - |
| article html file updated | 23 February 2018 09:14 CET | Update | - |
| article pdf uploaded. | 23 February 2018 09:13 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/509/pdf |
| article xml uploaded. | 23 February 2018 09:13 CET | Update | https://www.mdpi.com/2071-1050/10/2/509/xml |
| article html file updated | 20 February 2018 10:12 CET | Update | - |
| article xml uploaded. | 20 February 2018 10:11 CET | Update | - |
| article pdf uploaded. | 20 February 2018 10:11 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/509/pdf-vor |
| article html file updated | 19 February 2018 17:49 CET | Original file | - |
| article xml uploaded. | 19 February 2018 17:48 CET | Original file | - |
| article pdf uploaded. | 19 February 2018 17:48 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/509/pdf-vor |
| article pdf uploaded. | 14 February 2018 11:40 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/509/pdf-vor |
