| article html file updated | 8 February 2020 03:15 CET | Update | https://www.mdpi.com/1999-4915/9/4/76 |
| article html file updated | 24 September 2019 05:55 CEST | Update | - |
| article html file updated | 4 May 2019 02:51 CEST | Update | - |
| article html file updated | 5 May 2017 12:08 CEST | Update | - |
| article xml uploaded. | 5 May 2017 12:06 CEST | Update | https://www.mdpi.com/1999-4915/9/4/76/xml |
| article pdf uploaded. | 5 May 2017 12:06 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/4/76/pdf |
| article html file updated | 29 April 2017 05:53 CEST | Update | - |
| article html file updated | 12 April 2017 03:02 CEST | Original file | - |
| article pdf uploaded. | 12 April 2017 03:00 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/4/76/pdf-vor |
| article pdf uploaded. | 10 April 2017 11:27 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/4/76/pdf-vor |