function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aslan, Ebru Gül & Mumladze, Levan & Japoshvili, George', 1],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 1],
    ['Cho, H. - W. & An, S. L.', 12],
    ['Ge, Si-Qin & Daccordi, Mauro & Li, Wen-Zhu & Yang, Xing-Ke', 8],
    ['Ge, Si-Qin & Daccordi, Mauro & Yang, Xing-Ke', 6],
    ['Germann, Christoph & Geiser, Michael & Borer, Matthias', 6],
    ['Guskova, Elena V.', 8],
    ['Mikhailov, Yu. E.', 10],
    ['Nadein, Konstantin S. & Ahmed, Zubair & Sergeev, Maxim', 4],
    ['Petitpierre, Eduard & Sacarés, Antoni & Jurado-Rivera, José A.', 7],
    ['Ruchin, Alexaner B. & Egorov, Leonid V. & Alekseev, Sergei K.', 2],
    ['Sergeev, M. E.', 3],
    ['Takemoto, Takuya', 2],
    ['Tang, Jin & Zhang, Gongaote & Guo, Junqi & Luo, Lingxuan', 5],
    ['Wang, Xiaolong & Ge, Siqin & Li, Shaoqin', 2],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=86)',
    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);