function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cartwright, David I.', 104],
    ['Cartwright, David I. & Dostine, Peter', 33],
    ['Cavalcante, Bruna Maria Da Silva & Dumas, Leandro Lourenço', 2],
    ['Espeland, Marianne & Sjoeberg, Tin & Johanson, Kjell Arne', 47],
    ['Johanson, Kjell Arne', 4],
    ['Kuhara, Naotoshi', 5],
    ['Leandro Lourenço Dumas & Wagner Rafael M. de Souza', 17],
    ['Malicky, H.', 9],
    ['Malicky, Hans', 14],
    ['Malicky, Hans & Melnitsky, Stanislav I. & Ivanov, Vladimir D.', 3],
    ['Melnitsky, Stanislav I. & Ivanov, Vladimir D.', 5],
    ['Morse, John C. & Nair, G. A. & Kumaran, S. S.', 3],
    ['Paprocki, Henrique & Franca, Diogo', 22],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 12],
    ['Thomson, Robin E. & Holzenthal, Ralph W.', 6],
    ['Other (15)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=303)',
    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);