| article html file updated | 9 February 2020 19:48 CET | Update | https://www.mdpi.com/2076-0760/7/6/87 |
| article html file updated | 4 October 2019 03:50 CEST | Update | - |
| article html file updated | 30 April 2019 14:52 CEST | Update | - |
| article html file updated | 16 April 2019 15:27 CEST | Update | - |
| article html file updated | 30 March 2019 06:29 CET | Update | - |
| article html file updated | 1 June 2018 07:29 CEST | Original file | - |
| article pdf uploaded. | 1 June 2018 07:28 CEST | Version of Record | https://www.mdpi.com/2076-0760/7/6/87/pdf |
| article xml uploaded. | 1 June 2018 07:28 CEST | Update | https://www.mdpi.com/2076-0760/7/6/87/xml |
| article xml file uploaded | 1 June 2018 07:28 CEST | Original file | - |
