| article html file updated | 8 February 2020 09:27 CET | Update | https://www.mdpi.com/2304-6740/5/3/40 |
| article html file updated | 25 September 2019 14:35 CEST | Update | - |
| article html file updated | 3 May 2019 15:16 CEST | Update | - |
| article html file updated | 30 September 2017 08:39 CEST | Update | - |
| article html file updated | 28 June 2017 11:22 CEST | Update | - |
| article html file updated | 28 June 2017 11:07 CEST | Original file | - |
| article xml uploaded. | 28 June 2017 11:06 CEST | Original file | https://www.mdpi.com/2304-6740/5/3/40/xml |
| article pdf uploaded. | 28 June 2017 11:06 CEST | Version of Record | https://www.mdpi.com/2304-6740/5/3/40/pdf |
