| article html file updated | 8 February 2020 02:56 CET | Update | https://www.mdpi.com/2220-9964/6/4/110 |
| article html file updated | 24 September 2019 04:12 CEST | Update | - |
| article html file updated | 4 May 2019 03:30 CEST | Update | - |
| article html file updated | 28 April 2017 08:16 CEST | Update | - |
| article html file updated | 24 April 2017 13:36 CEST | Update | - |
| article xml uploaded. | 24 April 2017 13:35 CEST | Update | https://www.mdpi.com/2220-9964/6/4/110/xml |
| article pdf uploaded. | 24 April 2017 13:35 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/4/110/pdf |
| article html file updated | 6 April 2017 12:42 CEST | Original file | - |
| article pdf uploaded. | 6 April 2017 12:41 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/4/110/pdf-vor |
| article pdf uploaded. | 5 April 2017 15:39 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/4/110/pdf-vor |
