function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bevilaqua, Marcus & Fonseca, Claudio Ruy Vasconcelos da', 8],
    ['Bevilaqua, Marcus Vinícius Oliveira', 1],
    ['Fonseca, Cláudio Ruy Vasconcelos Da & Reyes-Castillo, Pedro', 66],
    ['Gasca-Álvarez, Héctor Jaime & Deloya, Cuauhtémoc', 2],
    ['Jimenez-Ferbans, Larry & Maestre-Guerra, Ana', 12],
    ['Jimenez-Ferbans, Larry & Reyes-Castillo, Pedro', 3],
    ['Jiménez-Ferbans, Larry & Amat-Garcia, German', 1],
    ['Jiménez-Ferbans, Larry & Reyes-Castillo, Pedro', 17],
    ['Mattos, Ingrid & Miras Mermudes, José Ricardo', 13],
    ['Pérez-Hernández, Cisteil Xinum', 2],
    ['Taboada-Verona, Carlos & Sermeño-Correa, Carlos', 3],
    ['Weber, Friedrich', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=130)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);