| article html file updated | 8 February 2020 00:47 CET | Update | https://www.mdpi.com/2076-3417/7/3/252 |
| article html file updated | 23 September 2019 15:53 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:12 CEST | Update | N/A |
| article html file updated | 28 March 2017 03:41 CEST | Update | N/A |
| article html file updated | 4 March 2017 11:18 CET | Original file | N/A |
| article xml uploaded. | 4 March 2017 11:16 CET | Original file | https://www.mdpi.com/2076-3417/7/3/252/xml |
| article pdf uploaded. | 4 March 2017 11:16 CET | Version of Record | https://www.mdpi.com/2076-3417/7/3/252/pdf |
