function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Capa, Maria & Rouse, Greg W.', 10],
    ['Capa, María & Murray, Anna', 60],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 66],
    ['Giangrande, Adriana & Licciano, Margherita', 15],
    ['Giangrande, Adriana & Putignano, Matteo & Licciano, Margherita', 11],
    ['Gil, Joao & Nishi, Eijiroh', 39],
    ['Keppel, Erica & Tovar, Maria Ana & Ruiz, Gregory', 11],
    ['Knight-Jones, Phyllis & Mackie, Andrew S. Y.', 9],
    ['Linnaeus, Carolus', 11],
    ['Mikac, Barbara', 17],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 9],
    ['Tovar-Hernández, María Ana', 40],
    ['Tovar-Hernández, María Ana & Knight-Jones, Phyllis', 8],
    ['Tovar-Hernández, María Ana & León-González, Jesús Ángel De', 22],
    ['Tovar-Hernández, María Ana & Salazar-Silva, Patricia', 15],
    ['Other (42)', 121]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=464)',
    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);