| article html file updated | 8 February 2020 10:46 CET | Update | https://www.mdpi.com/2218-273X/7/3/54 |
| article html file updated | 25 September 2019 21:29 CEST | Update | - |
| article html file updated | 3 May 2019 12:49 CEST | Update | - |
| article html file updated | 14 March 2018 17:50 CET | Update | - |
| article html file updated | 30 September 2017 11:22 CEST | Update | - |
| article html file updated | 12 July 2017 09:48 CEST | Original file | - |
| article xml uploaded. | 12 July 2017 09:47 CEST | Original file | https://www.mdpi.com/2218-273X/7/3/54/xml |
| article pdf uploaded. | 12 July 2017 09:47 CEST | Version of Record | https://www.mdpi.com/2218-273X/7/3/54/pdf |
