function drawChartTreatmentsPerAuthor() { var chartData = google.visualization.arrayToDataTable([ ['Series', 'Number of Treatments'], ['Habib, Kamran & Firdous, Qudsia & Sohrabi, Mohammad', 1], ['Iqbal, Muhammad Shahid & Usman, Muhammad & Habib, Kamran', 2], ['Szczepańska, Katarzyna & Kukwa, Martin & Guzow-Krzemińska, Beata', 6], ['Usman, Muhammad & Dyer, Paul S. & Brock, Matthias', 2], ['Zulfiqar, Rizwana & Asghar, Hafiza Simab & Khalid, Abdul Nasir', 3] ]); var chartOptions = { pieHole: 0, title: 'Treatments per Author (n=14)', fontSize: 'automatic', doWeHaveDanglingCommas: 'No ;-)' }; if (window.customizeGoogleChartOptions) customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0); var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor')); chart.draw(chartData, chartOptions); } google.load('visualization', '1', {'packages': ['corechart']}); google.setOnLoadCallback(drawChartTreatmentsPerAuthor);