| article html file updated | 9 February 2020 02:36 CET | Update | https://www.mdpi.com/2220-9964/7/1/18 |
| article html file updated | 29 September 2019 19:31 CEST | Update | - |
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| article html file updated | 18 April 2019 01:21 CEST | Update | - |
| article html file updated | 28 March 2019 14:30 CET | Update | - |
| article html file updated | 1 February 2018 10:21 CET | Update | - |
| article html file updated | 12 January 2018 10:48 CET | Update | - |
| article xml uploaded. | 12 January 2018 10:47 CET | Update | https://www.mdpi.com/2220-9964/7/1/18/xml |
| article xml uploaded. | 12 January 2018 10:47 CET | Update | - |
| article pdf uploaded. | 12 January 2018 10:47 CET | Updated version of record | https://www.mdpi.com/2220-9964/7/1/18/pdf |
| article html file updated | 10 January 2018 14:24 CET | Original file | - |
| article xml uploaded. | 10 January 2018 14:23 CET | Update | - |
| article xml uploaded. | 10 January 2018 14:23 CET | Original file | - |
| article pdf uploaded. | 10 January 2018 14:23 CET | Version of Record | https://www.mdpi.com/2220-9964/7/1/18/pdf-vor |
