| article html file updated | 8 February 2020 04:34 CET | Update | https://www.mdpi.com/2220-9964/6/5/129 |
| article html file updated | 24 September 2019 13:14 CEST | Update | - |
| article html file updated | 4 May 2019 00:24 CEST | Update | - |
| article html file updated | 31 May 2017 09:59 CEST | Update | - |
| article html file updated | 28 April 2017 07:52 CEST | Original file | - |
| article xml uploaded. | 28 April 2017 07:50 CEST | Update | https://www.mdpi.com/2220-9964/6/5/129/xml |
| article pdf uploaded. | 28 April 2017 07:50 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/5/129/pdf |
