function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bezděk, Aleš & Hájek, Jiří & Ascr, Biology Centre', 21],
    ['Carvalho, Edrielly C. & Maldaner, Maria Eduarda', 1],
    ['Chamorro, William & Marin-Armijos, Diego & senjo, Angelico', 26],
    ['Cupello, Mario & Vaz-De, Fernando Z.', 3],
    ['Cárdenas-Bautista, Johann Stephens', 1],
    ['Edmonds, W. D.', 5],
    ['Freese, Edwin L. & Veal, Doug A. & Lago, Paul K.', 4],
    ['González-Vainer, Patricia', 2],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 36],
    ['Morelli, Enrique & González-Vainer, Patricia', 2],
    ['Nunes, Luis Gabriel de O. A. & Nunes, Rafael V.', 12],
    ['Pérez-Hernández, Cisteil Xinum', 7],
    ['Taboada-Verona, Carlos & Sermeño-Correa, Carlos', 3],
    ['Vaz-de-Mello, Fernando Z.', 2],
    ['da Silva, Pedro Giovâni', 3],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=133)',
    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);