function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acosta, Aline Angelina & González-Solís, David', 1],
    ['Arai, Hisao P. & Smith, John W.', 28],
    ['Austin, Lucinda & Santos, Quinton Marco Dos', 1],
    ['Doweld, Alexander B.', 1],
    ['Garrido-Olvera, Lorena & García-Prieto, Luis', 2],
    ['Gonzalez-Solis, David & Soler-Jimenez, Lilia C.', 9],
    ['Justine, Jean-Lou & Cassone, Jimmy & Petter, Annie', 1],
    ['Lamarck, J. B. P. A. de M. de', 1],
    ['Lopes, Daniela A. & Gomes, Delir Correa & Knoff, Marcelo', 4],
    ['Luque, José L. & Aguiar, Julio C. & Vieira, Fabiano M.', 1],
    ['Machida, Masaaki', 2],
    ['Machida, Masaaki & Syahailatua, Augy', 1],
    ['Moravec, František & Jirků, Miloslav', 1],
    ['Moravec, František & Nagasawa, and Kazuya', 1],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    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);