| article html file updated | 8 February 2020 09:14 CET | Update | https://www.mdpi.com/2076-0760/6/3/67 |
| article html file updated | 25 September 2019 13:30 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:40 CEST | Update | N/A |
| article html file updated | 26 June 2017 10:58 CEST | Update | N/A |
| article xml uploaded. | 26 June 2017 10:57 CEST | Update | https://www.mdpi.com/2076-0760/6/3/67/xml |
| article pdf uploaded. | 26 June 2017 10:57 CEST | Updated version of record | https://www.mdpi.com/2076-0760/6/3/67/pdf |
| article html file updated | 25 June 2017 12:29 CEST | Original file | N/A |
| article pdf uploaded. | 25 June 2017 12:28 CEST | Version of Record | https://www.mdpi.com/2076-0760/6/3/67/pdf-vor |
