| article html file updated | 14 August 2026 15:14 CEST | Update | https://www.mdpi.com/1422-0067/18/6/1291 |
| article html file updated | 8 February 2020 08:35 CET | Update | N/A |
| article html file updated | 25 September 2019 09:59 CEST | Update | N/A |
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| article xml uploaded. | 19 June 2017 13:44 CEST | Original file | https://www.mdpi.com/1422-0067/18/6/1291/xml |
| article pdf uploaded. | 19 June 2017 13:44 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/6/1291/pdf |
| article pdf uploaded. | 17 June 2017 11:45 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1291/pdf-vor |
