| article html file updated | 8 February 2020 01:51 CET | Update | https://www.mdpi.com/1422-0067/18/3/670 |
| article html file updated | 23 September 2019 22:06 CEST | Update | N/A |
| article html file updated | 4 May 2019 05:50 CEST | Update | N/A |
| article html file updated | 30 March 2017 10:50 CEST | Update | N/A |
| article html file updated | 27 March 2017 05:18 CEST | Update | N/A |
| article html file updated | 24 March 2017 06:40 CET | Update | N/A |
| article html file updated | 21 March 2017 08:04 CET | Original file | N/A |
| article xml uploaded. | 21 March 2017 08:03 CET | Original file | https://www.mdpi.com/1422-0067/18/3/670/xml |
| article pdf uploaded. | 21 March 2017 08:03 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/670/pdf |
