function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andrade, Iury Cesar Pires De & Fernandes, André Silva', 4],
    ['Ardila-Camacho, Adrian', 10],
    ['Ardila-Camacho, Adrian & Rivera-Gasperín, Sara Lariza', 7],
    ['Hassan, Muhammad Asghar & Hayashi, Fumio & Liu, Xingyue', 5],
    ['Jepson, James E. & Heads, Sam W.', 4],
    ['Jiang, Wei & Wang, Guoquan & Liu, Xingyue', 4],
    ['Liu, Xingyue & Dvorak, Libor', 9],
    ['Liu, Xingyue & Flint, Oliver S. & Yang, Ding', 5],
    ['Liu, Xingyue & Hayashi, Fumio & Yang, Ding', 118],
    ['Liu, Xingyue & Price, Ben W. & Hayashi, Fumio & Yang, Ding', 5],
    ['Liu, Xingyue & Price, Benjamin W. & Hayashi, Fumio', 7],
    ['Liu, Xingyue & Yang, Ding', 19],
    ['Martins, Caleb C. & Ardila-Camacho, Adrian', 82],
    ['Piraonapicha, Kanyakorn & Sangpradub, Narumon', 5],
    ['Shcherbakov, Dmitry E.', 9],
    ['Other (31)', 57]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=350)',
    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);