function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Júlia C. & Ale-Rocha, Rosaly', 6],
    ['Bächli, Gerhard & Merz, Bernhard & Haenni, Jean-Paul', 7],
    ['Calhau, Julia & Coelho, Lívia Aguiar & Kawada, Ricardo', 11],
    ['Dubatolov, V. V. & Zinchenko, V. K.', 7],
    ['Evenhuis, Neal L.', 3],
    ['Evenhuis, Neal L. & O’Hara, James E. & Pape, Thomas', 7],
    ['Fallén, Carl Fredrik', 6],
    ['Giudice, Giuseppe Lo & Woźnica, Andrzej Józef', 3],
    ['McAlpine, DK', 29],
    ['McAlpine, David K.', 11],
    ['Mcalpine, David K.', 7],
    ['Reis, Geniana Alves & Tôrres, Alice & Ale-Rocha, Rosaly', 4],
    ['Rotheray, Graham E.', 7],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 11],
    ['Waltl, Joseph', 3],
    ['Other (16)', 24]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=146)',
    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);