function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 7],
    ['Chávez, Germán & Malqui, Jose & Catenazzi, Alessandro', 8],
    ['Colli, Guarino R. & Hoogmoed, Marinus S. & Cannatella, David C.', 4],
    ['Diago-Toro, María F. & García-Cobos, Daniela', 28],
    ['Doan, Tiffany M.', 7],
    ['Doan, Tiffany M. & Castoe, Todd A.', 13],
    ['Goicoechea, NoemÍ & Padial, José M. & Chaparro, Juan Carlos', 14],
    ['Kok, Philippe J. R.', 4],
    ['Mamani, Luis & Goicoechea, Noemí', 12],
    ['Myers, C. W. & Donnelly, M. A.', 4],
    ['Parra, Vanessa & Nunes, Pedro M. Sales & Torres-Carvajal, Omar', 4],
    ['Restrepo, Adriana & Molina-Zuluaga, Claudia & Hurtado, Juan P.', 4],
    ['Ribeiro-Júnior, Marco A. & Amaral, Silvana', 55],
    ['Rodríguez, Lily O. & Mamani, Luis', 5],
    ['Uchoa, Lucas Rafael & Delfim, Fagner Ribeiro', 28],
    ['Other (56)', 80]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=277)',
    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);