| article html file updated | 8 February 2020 01:49 CET | Update | https://www.mdpi.com/2075-4418/7/1/18 |
| article html file updated | 23 September 2019 21:49 CEST | Update | N/A |
| article html file updated | 4 May 2019 05:56 CEST | Update | N/A |
| article html file updated | 29 March 2017 10:38 CEST | Update | N/A |
| article html file updated | 27 March 2017 05:16 CEST | Update | N/A |
| article html file updated | 21 March 2017 11:38 CET | Original file | N/A |
| article xml uploaded. | 21 March 2017 11:37 CET | Original file | https://www.mdpi.com/2075-4418/7/1/18/xml |
| article pdf uploaded. | 21 March 2017 11:37 CET | Updated version of record | https://www.mdpi.com/2075-4418/7/1/18/pdf |
| article pdf uploaded. | 20 March 2017 15:11 CET | Version of Record | https://www.mdpi.com/2075-4418/7/1/18/pdf-vor |
