| article html file updated | 7 February 2020 13:28 CET | Update | https://www.mdpi.com/2077-0383/5/8/72 |
| article html file updated | 5 May 2019 06:52 CEST | Update | - |
| article html file updated | 27 March 2019 13:54 CET | Update | - |
| article html file updated | 26 August 2016 07:52 CEST | Update | - |
| article html file updated | 17 August 2016 12:59 CEST | Original file | - |
| article xml uploaded. | 17 August 2016 12:58 CEST | Original file | https://www.mdpi.com/2077-0383/5/8/72/xml |
| article pdf uploaded. | 17 August 2016 12:58 CEST | Version of Record | https://www.mdpi.com/2077-0383/5/8/72/pdf |
