| article html file updated | 9 February 2020 15:11 CET | Update | https://www.mdpi.com/2075-1702/6/2/18 |
| article html file updated | 2 October 2019 22:53 CEST | Update | - |
| article html file updated | 1 May 2019 00:50 CEST | Update | - |
| article html file updated | 17 April 2019 01:28 CEST | Update | - |
| article html file updated | 29 March 2019 18:53 CET | Update | - |
| article html file updated | 26 June 2018 05:33 CEST | Update | - |
| article html file updated | 1 May 2018 03:33 CEST | Original file | - |
| article xml uploaded. | 1 May 2018 03:32 CEST | Update | https://www.mdpi.com/2075-1702/6/2/18/xml |
| article pdf uploaded. | 25 April 2018 11:32 CEST | Updated version of record | https://www.mdpi.com/2075-1702/6/2/18/pdf |
| article xml file uploaded | 25 April 2018 11:32 CEST | Update | - |
| article pdf uploaded. | 24 April 2018 16:21 CEST | Updated version of record | - |
| article xml file uploaded | 24 April 2018 16:19 CEST | Original file | - |
