| article html file updated | 7 February 2020 14:54 CET | Update | https://www.mdpi.com/2312-7481/2/3/34 |
| article html file updated | 5 May 2019 04:15 CEST | Update | N/A |
| article html file updated | 29 September 2016 12:09 CEST | Update | N/A |
| article html file updated | 13 September 2016 08:30 CEST | Original file | N/A |
| article xml uploaded. | 13 September 2016 08:28 CEST | Update | https://www.mdpi.com/2312-7481/2/3/34/xml |
| article xml uploaded. | 13 September 2016 08:28 CEST | Original file | N/A |
| article pdf uploaded. | 13 September 2016 08:28 CEST | Version of Record | https://www.mdpi.com/2312-7481/2/3/34/pdf |
