function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cruz Da Silva, Estevam L.', 2],
    ['Cruz, Estevam L. & Silva, Da & Lapinski, Witold', 1],
    ['Cruz, Estevam L. & Silva, Da & Lise, Arno A.', 30],
    ['Cruz, Estevam L. & Silva, Da & Viquez, Carlos & Lise, Arno A.', 11],
    ['Höfer, H. & Brescovit, A. D.', 1],
    ['Kurczewski, Frank E. & West, Rick C. & Waichert, Cecilia', 1],
    ['Saturnino, Regiane & Tourinho, Ana Lúcia', 1],
    ['Silva, Estevam Luís Cruz Da & Lise, Arno Antonio', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    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);