| article html file updated | 8 February 2020 06:50 CET | Update | https://www.mdpi.com/2075-4701/7/6/194 |
| article html file updated | 25 September 2019 01:01 CEST | Update | - |
| article html file updated | 3 May 2019 20:11 CEST | Update | - |
| article html file updated | 28 June 2017 13:57 CEST | Update | - |
| article html file updated | 27 May 2017 04:54 CEST | Original file | - |
| article xml uploaded. | 27 May 2017 04:52 CEST | Update | https://www.mdpi.com/2075-4701/7/6/194/xml |
| article pdf uploaded. | 27 May 2017 04:52 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/6/194/pdf |
| article pdf uploaded. | 26 May 2017 14:15 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/6/194/pdf-vor |
