| article html file updated | 8 February 2020 10:52 CET | Update | https://www.mdpi.com/2306-5354/4/3/63 |
| article html file updated | 25 September 2019 22:02 CEST | Update | - |
| article html file updated | 3 May 2019 12:38 CEST | Update | - |
| article html file updated | 30 September 2017 07:42 CEST | Update | - |
| article html file updated | 8 September 2017 12:14 CEST | Update | - |
| article xml uploaded. | 8 September 2017 12:12 CEST | Update | https://www.mdpi.com/2306-5354/4/3/63/xml |
| article pdf uploaded. | 8 September 2017 12:12 CEST | Updated version of record | https://www.mdpi.com/2306-5354/4/3/63/pdf |
| article html file updated | 13 July 2017 10:24 CEST | Original file | - |
| article pdf uploaded. | 13 July 2017 10:23 CEST | Version of Record | https://www.mdpi.com/2306-5354/4/3/63/pdf-vor |
