| article html file updated | 8 February 2020 12:57 CET | Update | https://www.mdpi.com/1424-2818/9/3/30 |
| article html file updated | 26 September 2019 09:47 CEST | Update | - |
| article html file updated | 3 May 2019 08:06 CEST | Update | - |
| article html file updated | 27 March 2019 19:37 CET | Update | - |
| article html file updated | 30 September 2017 13:51 CEST | Update | - |
| article html file updated | 7 August 2017 15:19 CEST | Original file | - |
| article xml uploaded. | 7 August 2017 15:17 CEST | Original file | https://www.mdpi.com/1424-2818/9/3/30/xml |
| article pdf uploaded. | 7 August 2017 15:17 CEST | Updated version of record | https://www.mdpi.com/1424-2818/9/3/30/pdf |
