| article html file updated | 8 February 2020 04:48 CET | Update | https://www.mdpi.com/2220-9964/6/5/140 |
| article html file updated | 24 September 2019 14:29 CEST | Update | - |
| article html file updated | 3 May 2019 23:58 CEST | Update | - |
| article html file updated | 31 May 2017 10:01 CEST | Update | - |
| article html file updated | 4 May 2017 12:25 CEST | Original file | - |
| article xml uploaded. | 4 May 2017 12:24 CEST | Original file | https://www.mdpi.com/2220-9964/6/5/140/xml |
| article pdf uploaded. | 4 May 2017 12:24 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/5/140/pdf |
| article pdf uploaded. | 30 April 2017 12:35 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/5/140/pdf-vor |
