| article html file updated | 8 February 2020 12:09 CET | Update | https://www.mdpi.com/2306-5354/4/3/66 |
| article html file updated | 26 September 2019 05:01 CEST | Update | - |
| article html file updated | 3 May 2019 09:47 CEST | Update | - |
| article html file updated | 27 March 2019 17:57 CET | Update | - |
| article html file updated | 30 September 2017 07:42 CEST | Update | - |
| article html file updated | 27 July 2017 15:25 CEST | Original file | - |
| article xml uploaded. | 27 July 2017 15:24 CEST | Original file | https://www.mdpi.com/2306-5354/4/3/66/xml |
| article pdf uploaded. | 27 July 2017 15:24 CEST | Version of Record | https://www.mdpi.com/2306-5354/4/3/66/pdf |
