| article html file updated | 8 February 2020 08:26 CET | Update | https://www.mdpi.com/2073-8994/9/6/88 |
| article html file updated | 25 September 2019 09:13 CEST | Update | - |
| article html file updated | 3 May 2019 17:12 CEST | Update | - |
| article html file updated | 28 June 2017 14:55 CEST | Update | - |
| article html file updated | 20 June 2017 06:18 CEST | Update | - |
| article xml uploaded. | 20 June 2017 06:17 CEST | Update | https://www.mdpi.com/2073-8994/9/6/88/xml |
| article pdf uploaded. | 20 June 2017 06:17 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/6/88/pdf |
| article html file updated | 16 June 2017 08:45 CEST | Original file | - |
