function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chagas-Jr, Amazonas & Bichuette, Maria Elina', 5],
    ['Chagas-Jr, Amazonas & Chaparro, Elisa', 3],
    ['Cupul-Magaña, Fabio Germán', 4],
    ['Edgecombe, Gregory D. & Vahtera, Varpu & Stock, Stuart R.', 1],
    ['Hollier, John & Stagl, Verena', 1],
    ['Jonishi, Taro & Nakano, Takafumi', 4],
    ['Le, Son X. & Schileyko, Arkady A. & Nguyen, Anh D.', 7],
    ['Riquelme, Francisco & Hernández-Patricio, Miguel', 1],
    ['Schileyko, Arkady A.', 3],
    ['Schileyko, Arkady A. & Stoev, Pavel E.', 2],
    ['Schileyko, Аrkаdy & Iorio, Etienne & Coulis, Mаthieu', 3],
    ['Shinohara, Keizaburo', 1],
    ['Thofern, Detlef & Dupérré, Nadine & Harms, Danilo', 2],
    ['Tran, Binh T. T. & Le, Son X. & Nguyen, Anh D.', 4],
    ['Xiao, Shuqing & Chen, Huiming & Di, Zhiyong', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    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);