function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Armitage, Brian J. & Ríos González, Tomás A.', 9],
    ['Falaschi, Rafaela Lopes & Oliveira, Sarah Siqueira', 21],
    ['Fitzgerald, Scott J.', 22],
    ['Fitzgerald, Scott J. & González, Christian R & Elgueta, Mario', 35],
    ['Haenni, Jean-Paul', 9],
    ['Linnaeus, Carolus', 39],
    ['Podeniene, Virginija & Nasevičiene, Nijole & Podenas, Sigitas', 8],
    ['Ribeiro, Guilherme Cunha & Lamas, Carlos José Einicker', 9],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 10],
    ['Skartveit, John', 25],
    ['Skartveit, John & Freidberg, Amnon', 16],
    ['Skartveit, John & Krizmanić, Katarina', 20],
    ['Skartveit, John & Nel, André', 36],
    ['Skartveit, John & Wedmann, Sonja', 52],
    ['Starkevich, Pavel & Podenas, Sigitas & Gelhaus, Jon K.', 20],
    ['Other (46)', 97]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=428)',
    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);