| article html file updated | 10 February 2020 02:40 CET | Update | https://www.mdpi.com/2227-9032/6/3/87 |
| article html file updated | 5 October 2019 21:56 CEST | Update | - |
| article html file updated | 29 April 2019 23:51 CEST | Update | - |
| article html file updated | 15 April 2019 19:04 CEST | Update | - |
| article html file updated | 30 March 2019 23:27 CET | Update | - |
| article html file updated | 22 September 2018 14:04 CEST | Update | - |
| article html file updated | 2 August 2018 15:14 CEST | Update | - |
| article html file updated | 24 July 2018 04:26 CEST | Original file | - |
| article pdf uploaded. | 24 July 2018 04:25 CEST | Version of Record | https://www.mdpi.com/2227-9032/6/3/87/pdf |
| article xml uploaded. | 24 July 2018 04:25 CEST | Update | https://www.mdpi.com/2227-9032/6/3/87/xml |
| article xml file uploaded | 24 July 2018 04:25 CEST | Original file | - |
