| article html file updated | 8 February 2020 02:16 CET | Update | https://www.mdpi.com/1422-0067/18/4/701 |
| article html file updated | 24 September 2019 00:22 CEST | Update | - |
| article html file updated | 4 May 2019 04:59 CEST | Update | - |
| article html file updated | 2 May 2017 05:48 CEST | Update | - |
| article html file updated | 27 March 2017 08:28 CEST | Original file | - |
| article xml uploaded. | 27 March 2017 08:26 CEST | Original file | https://www.mdpi.com/1422-0067/18/4/701/xml |
| article pdf uploaded. | 27 March 2017 08:26 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/4/701/pdf |
| article pdf uploaded. | 25 March 2017 11:18 CET | Version of Record | https://www.mdpi.com/1422-0067/18/4/701/pdf-vor |
