| article html file updated | 10 February 2020 03:11 CET | Update | https://www.mdpi.com/2076-3387/8/3/38 |
| article html file updated | 6 October 2019 01:02 CEST | Update | - |
| article html file updated | 29 April 2019 22:47 CEST | Update | - |
| article html file updated | 15 April 2019 17:50 CEST | Update | - |
| article html file updated | 31 March 2019 00:43 CET | Update | - |
| article html file updated | 25 September 2018 12:20 CEST | Update | - |
| article html file updated | 2 August 2018 17:33 CEST | Update | - |
| article html file updated | 27 July 2018 05:16 CEST | Original file | - |
| article pdf uploaded. | 27 July 2018 05:15 CEST | Version of Record | https://www.mdpi.com/2076-3387/8/3/38/pdf |
| article xml uploaded. | 27 July 2018 05:15 CEST | Update | https://www.mdpi.com/2076-3387/8/3/38/xml |
| article xml file uploaded | 27 July 2018 05:15 CEST | Original file | - |
