function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Constantin, Robert', 3],
    ['F, Hannes & F, Hannes', 1],
    ['Ferreira, Vinicius De Souza', 12],
    ['Illiger, Johann Karl Wilhelm', 1],
    ['Johnston, M. Andrew & Waite, Evan S. & Wright, Ethan R', 1],
    ['Pérez-Hernández, Cisteil Xinum', 39],
    ['Roza, André Silva', 3],
    ['Roza, André Silva & Mermudes, José Ricardo Miras', 4],
    ['Roza, André Silva & Quintino, Hingrid Yara Souza', 6],
    ['Silva Roza, André & Miras Mermudes, José Ricardo', 3],
    ['Vega-Badillo, Viridiana & Morrone, Juan J.', 31],
    ['Vega-Badillo, Viridiana & Zaragoza-Caballero, Santiago', 11],
    ['Zaragoza-Caballero, Santiago & Rodríguez-Mirón, Geovanni M.', 2],
    ['Zaragoza-Caballero, Santiago & Zurita-García, Martín Leonel', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=123)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);