| article html file updated | 8 February 2020 09:16 CET | Update | https://www.mdpi.com/2220-9964/6/7/194 |
| article html file updated | 25 September 2019 13:42 CEST | Update | - |
| article html file updated | 3 May 2019 15:36 CEST | Update | - |
| article html file updated | 31 July 2017 07:37 CEST | Update | - |
| article html file updated | 26 June 2017 11:55 CEST | Original file | - |
| article xml uploaded. | 26 June 2017 11:54 CEST | Update | https://www.mdpi.com/2220-9964/6/7/194/xml |
| article pdf uploaded. | 26 June 2017 11:54 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/7/194/pdf |
