| article html file updated | 8 February 2020 05:07 CET | Update | https://www.mdpi.com/1422-0067/18/5/987 |
| article html file updated | 24 September 2019 16:03 CEST | Update | - |
| article html file updated | 3 May 2019 23:25 CEST | Update | - |
| article html file updated | 27 March 2019 15:58 CET | Update | - |
| article html file updated | 1 June 2017 11:13 CEST | Update | - |
| article html file updated | 23 May 2017 03:44 CEST | Update | - |
| article html file updated | 5 May 2017 11:37 CEST | Original file | - |
| article xml uploaded. | 5 May 2017 11:36 CEST | Update | https://www.mdpi.com/1422-0067/18/5/987/xml |
| article pdf uploaded. | 5 May 2017 11:36 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/5/987/pdf |
