| article html file updated | 8 February 2020 01:14 CET | Update | https://www.mdpi.com/2076-3417/7/3/276 |
| article html file updated | 23 September 2019 18:33 CEST | Update | - |
| article html file updated | 4 May 2019 07:13 CEST | Update | - |
| article html file updated | 28 March 2017 03:51 CEST | Update | - |
| article html file updated | 14 March 2017 01:57 CET | Original file | - |
| article xml uploaded. | 14 March 2017 01:56 CET | Original file | https://www.mdpi.com/2076-3417/7/3/276/xml |
| article pdf uploaded. | 14 March 2017 01:56 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/3/276/pdf |
| article pdf uploaded. | 10 March 2017 13:56 CET | Version of Record | https://www.mdpi.com/2076-3417/7/3/276/pdf-vor |
