function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bezark, Larry G.', 1],
    ['Galileo, Maria Helena M. & Bezark, Larry G.', 1],
    ['García, Kimberly & Botero, Juan Pablo & Santos-Silva, Antonio', 1],
    ['Heffern, Daniel & Nascimento, Francisco E. De L.', 1],
    ['Heffern, Daniel & Santos-Silva, Antonio', 1],
    ['Heffern, Daniel & Santos-Silva, Antonio & Botero, Juan Pablo', 1],
    ['Pérez-Hernández, Cisteil Xinum', 3],
    ['Santos-Silva, Antonio & Wappes, James E.', 23]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);