function drawChartTreatmentsPerAuthor() { var chartData = google.visualization.arrayToDataTable([ ['Series', 'Number of Treatments'], ['Etter, Julia & Vázquez-García, J. Antonio', 2], ['Vázquez-García, J. Antonio & Acevedo-Rosas, Raúl', 2], ['Vázquez-García, J. Antonio & Rosales-Martínez, C. Santiago', 2] ]); var chartOptions = { pieHole: 0, title: 'Treatments per Author (n=6)', fontSize: 'automatic', doWeHaveDanglingCommas: 'No ;-)' }; if (window.customizeGoogleChartOptions) customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 3, 0); var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor')); chart.draw(chartData, chartOptions); } google.load('visualization', '1', {'packages': ['corechart']}); google.setOnLoadCallback(drawChartTreatmentsPerAuthor);