| article html file updated | 8 February 2020 04:00 CET | Update | https://www.mdpi.com/2306-5354/4/2/36 |
| article html file updated | 24 September 2019 10:13 CEST | Update | - |
| article html file updated | 4 May 2019 01:26 CEST | Update | - |
| article html file updated | 28 June 2017 12:36 CEST | Update | - |
| article html file updated | 21 April 2017 11:28 CEST | Original file | - |
| article xml uploaded. | 21 April 2017 11:26 CEST | Original file | https://www.mdpi.com/2306-5354/4/2/36/xml |
| article pdf uploaded. | 21 April 2017 11:26 CEST | Updated version of record | https://www.mdpi.com/2306-5354/4/2/36/pdf |
| article pdf uploaded. | 20 April 2017 12:20 CEST | Version of Record | https://www.mdpi.com/2306-5354/4/2/36/pdf-vor |
