| article html file updated | 9 February 2020 01:46 CET | Update | https://www.mdpi.com/2078-2489/9/1/6 |
| article html file updated | 2 May 2019 04:55 CEST | Update | - |
| article html file updated | 18 April 2019 02:59 CEST | Update | - |
| article html file updated | 28 March 2019 12:32 CET | Update | - |
| article html file updated | 1 February 2018 11:13 CET | Update | - |
| article pdf uploaded. | 23 January 2018 08:42 CET | Updated version of record | https://www.mdpi.com/2078-2489/9/1/6/pdf |
| article pdf uploaded. | 23 January 2018 04:20 CET | Updated version of record | https://www.mdpi.com/2078-2489/9/1/6/pdf-vor |
| article html file updated | 2 January 2018 20:33 CET | Original file | - |
| article xml uploaded. | 2 January 2018 11:00 CET | Update | https://www.mdpi.com/2078-2489/9/1/6/xml |
| article pdf uploaded. | 2 January 2018 11:00 CET | Version of Record | https://www.mdpi.com/2078-2489/9/1/6/pdf-vor |
