| article html file updated | 9 February 2020 01:29 CET | Update | https://www.mdpi.com/2075-4701/8/1/12 |
| article html file updated | 29 September 2019 13:23 CEST | Update | - |
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| article html file updated | 18 April 2019 03:32 CEST | Update | - |
| article html file updated | 28 March 2019 11:53 CET | Update | - |
| article html file updated | 9 February 2018 10:53 CET | Update | - |
| article html file updated | 1 February 2018 09:45 CET | Update | - |
| article html file updated | 4 January 2018 06:49 CET | Update | - |
| article xml uploaded. | 4 January 2018 06:48 CET | Update | https://www.mdpi.com/2075-4701/8/1/12/xml |
| article pdf uploaded. | 4 January 2018 06:48 CET | Updated version of record | https://www.mdpi.com/2075-4701/8/1/12/pdf |
| article html file updated | 29 December 2017 09:05 CET | Original file | - |
| article xml uploaded. | 29 December 2017 09:03 CET | Update | - |
| article xml uploaded. | 29 December 2017 09:03 CET | Original file | - |
| article pdf uploaded. | 29 December 2017 09:03 CET | Version of Record | https://www.mdpi.com/2075-4701/8/1/12/pdf-vor |
