| article html file updated | 8 February 2020 01:36 CET | Update | https://www.mdpi.com/2072-6651/9/3/109 |
| article html file updated | 23 September 2019 20:33 CEST | Update | N/A |
| article html file updated | 4 May 2019 06:26 CEST | Update | N/A |
| article html file updated | 30 March 2017 06:15 CEST | Update | N/A |
| article html file updated | 19 March 2017 05:29 CET | Original file | N/A |
| article xml uploaded. | 19 March 2017 05:28 CET | Original file | https://www.mdpi.com/2072-6651/9/3/109/xml |
| article pdf uploaded. | 19 March 2017 05:28 CET | Updated version of record | https://www.mdpi.com/2072-6651/9/3/109/pdf |
| article pdf uploaded. | 16 March 2017 16:13 CET | Version of Record | https://www.mdpi.com/2072-6651/9/3/109/pdf-vor |
